| O000 | Abdominal pregnancy |
| O001 | Tubal pregnancy |
| O002 | Ovarian pregnancy |
| O008 | Other ectopic pregnancy |
| O009 | Ectopic pregnancy, unspecified |
| O010 | Classical hydatidiform mole |
| O011 | Incomplete and partial hydatidiform mole |
| O019 | Hydatidiform mole, unspecified |
| O020 | Blighted ovum and nonhydatidiform mole |
| O021 | Missed abortion |
| O028 | Other specified abnormal products of conception |
| O029 | Abnormal products of conception, unspecified |
| O030 | Spontaneous abortion at incomplete, complicated by genital tract and pelvic infection with condition in O08.0 |
| O031 | Spontaneous abortion at incomplete, complicated by delayed or excessive haemorrhage with condition in O08.1 |
| O032 | Spontaneous abortion at incomplete,complicated by embolism with condition in O08.2 |
| O033 | Spontaneous abortion at incomplete,with other unspecified complication with condition in O08.3-O08.9 |
| O034 | Spontaneous abortion at incomplete,without complication |
| O035 | Spontaneous abortion at complete or unspecified,complicated by genitic tract and pelvic infection with condition in O08.0 |
| O036 | Spontaneous abortion at complete or unspecified,complicated by delayed or excessive haemorrhage with condition in O08.1 |
| O037 | Spontaneous abortion at complete or unspecified,complicated by embolism with condition in O08.2 |
| O038 | Spontaneous abortion at complete or unspecified,with other and unspecified condition in O08.3-O08.9 |
| O039 | Spontaneous abortion at complete or unspecified,without complication |
| O040 | Medical abortion at incomplete, complicated by genital tract and pelvic infection with condition in O08.0 |
| O041 | Medical abortion at incomplete, complicated by delayed or excessive haemorrhage with condition in O08.1 |
| O042 | Medical abortion at incomplete,complicated by embolism with condition in O08.2 |
| O043 | Medical abortion at incomplete,with other unspecified complication with condition in O08.3-O08.9 |
| O044 | Medical abortion at incomplete,without complication |
| O045 | Medical abortion at complete or unspecified,complicated by genitic tract and pelvic infection with condition in O08.0 |
| O046 | Medical abortion at complete or unspecified,complicated by delayed or excessive haemorrhage with condition in O08.1 |
| O047 | Medical abortion at complete or unspecified,complicated by embolism with condition in O08.2 |
| O048 | Medical abortion at complete or unspecified,with other and unspecified condition in O08.3-O08.9 |
| O049 | Medical abortion at complete or unspecified,without complication |
| O050 | Other abortion at incomplete, complicated by genital tract and pelvic infection with condition in O08.0 |
| O051 | Other abortion at incomplete, complicated by delayed or excessive haemorrhage with condition in O08.1 |
| O052 | Other abortion at incomplete,complicated by embolism with condition in O08.2 |
| O053 | Other abortion at incomplete,with other unspecified complication with condition in O08.3-O08.9 |
| O054 | Other abortion at incomplete,without complication |
| O055 | Other abortion at complete or unspecified,complicated by genitic tract and pelvic infection with condition in O08.0 |
| O056 | Other abortion at complete or unspecified,complicated by delayed or excessive haemorrhage with condition in O08.1 |
| O057 | Other abortion at complete or unspecified,complicated by embolism with condition in O08.2 |
| O058 | Other abortion at complete or unspecified,with other and unspecified condition in O08.3-O08.9 |
| O059 | Other abortion at complete or unspecified,without complication |
| O060 | Unspecified abortion at incomplete, complicated by genital tract and pelvic infection with condition in O08.0 |
| O061 | Unspecified abortion at incomplete, complicated by delayed or excessive haemorrhage with conditions in O08.1 |
| O062 | Unspecified abortion at incomplete,complicated by embolism with condition in O08.2 |
| O063 | Unspecified abortion at incomplete,with other unspecified complications with conditions in O08.3-O08.9 |
| O064 | Unspecified abortion at incomplete,without complication |
| O065 | Unspecified abortion at complete or unspecified,complicated by genitic tract and pelvic infection with conditions in O08.0 |
| O066 | Unspecified abortion at complete or unspecified,complicated by delayed or excessive haemorrhage with conditions in O08.1 |
| O067 | Unspecified abortion at complete or unspecified,complicated by embolism with conditions in O08.2 |
| O068 | Unspecified abortion at complete or unspecified,with other and unspecified complications with conditions in O08.3-O08.9 |
| O069 | Unspecified abortion at complete or unspecified,without complication |
| O070 | Failed medical abortion, complicated by genital tract and pelvic infection |
| O071 | Failed medical abortion, complicated by delayed or excessive haemorrhage |
| O072 | Failed medical abortion, complicated by embolism |
| O073 | Failed medical abortion, with other and unspecified complications |
| O074 | Failed medical abortion, without complication |
| O075 | Other and unspecified failed attempted abortion, complicated by genital tract and pelvic infection |
| O076 | Other and unspecified failed attempted abortion, complicated by delayed or excessive haemorrhage |
| O077 | Other and unspecified failed attempted abortion, complicated by embolism |
| O078 | Other and unspecified failed attempted abortion, with other and unspecified complications |
| O079 | Other and unspecified failed attempted abortion, without complication |
| O080 | Genital tract and pelvic infection following abortion and ectopic and molar pregnancy |
| O081 | Delayed or excessive haemorrhage following abortion and ectopic and molar pregnancy |
| O082 | Embolism following abortion and ectopic and molar pregnancy |
| O083 | Shock following abortion and ectopic and molar pregnancy |
| O084 | Renal failure following abortion and ectopic and molar pregnancy |
| O085 | Metabolic disorders following abortion and ectopic and molar pregnancy |
| O086 | Damage to pelvic organs and tissues following abortion and ectopic and molar pregnancy |
| O087 | Other venous complications following abortion and ectopic and molar pregnancy |
| O088 | Other complications following abortion and ectopic and molar pregnancy |
| O089 | Complication following abortion and ectopic and molar pregnancy, unspecified |
| O100 | Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium |
| O101 | Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium |
| O102 | Pre-existing hypertensive renal disease complicating pregnancy, childbirth and the puerperium |
| O103 | Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium |
| O104 | Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium |
| O109 | Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium |
| O11 | Pre-existing hypertensive disorder with superimposed proteinuria |
| O120 | Gestational oedema |
| O121 | Gestational proteinuria |
| O122 | Gestational oedema with proteinuria |
| O13 | Gestational [ pregnancy-induced ] hypertension without significant proteinuria |
| O140 | Mild and moderate pre-eclampsia |
| O141 | Severe pre-eclampsia |
| O149 | Pre-eclampsia, unspecified |
| O150 | Eclampsia in pregnancy |
| O151 | Eclampsia in labour |
| O152 | Eclampsia in the puerperium |
| O159 | Eclampsia, unspecified as to time period |
| O16 | Unspecified maternal hypertension |
| O200 | Threatened abortion |
| O208 | Other haemorrhage in early pregnancy |
| O209 | Haemorrhage in early pregnancy, unspecified |
| O210 | Mild hyperemesis gravidarum |
| O211 | Hyperemesis gravidarum with metabolic disturbance |
| O212 | Late vomiting of pregnancy |
| O218 | Other vomiting complicating pregnancy |
| O219 | Vomiting of pregnancy, unspecified |
| O220 | Varicose veins of lower extremity in pregnancy |
| O221 | Genital varices in pregnancy |
| O222 | Superficial thrombophlebitis in pregnancy |
| O223 | Deep phlebothrombosis in pregnancy |
| O224 | Haemorrhoids in pregnancy |
| O225 | Cerebral venous thrombosis in pregnancy |
| O228 | Other venous complications in pregnancy |
| O229 | Venous complication in pregnancy, unspecified |
| O230 | Infections of kidney in pregnancy |
| O231 | Infections of bladder in pregnancy |
| O232 | Infections of urethra in pregnancy |
| O233 | Infections of other parts of urinary tract in pregnancy |
| O234 | Unspecified infections of urinary tract in pregnancy |
| O235 | Infections of the genital tract in pregnancy |
| O239 | Other and unspecified genitourinary tract infection in pregnancy |
| O240 | Pre-existing diabetes mellitus, type 1 (insulin-dependent) |
| O241 | Pre-existing diabetes mellitus, type 2 (non-insulin-dependent) |
| O242 | Pre-existing malnutrition-related diabetes mellitus |
| O243 | Pre-existing diabetes mellitus, unspecified |
| O244 | Diabetes mellitus arising in pregnancy |
| O249 | Diabetes mellitus in pregnancy, unspecified |
| O25 | Malnutrition in pregnancy |
| O260 | Excessive weight gain in pregnancy |
| O261 | Low weight gain in pregnancy |
| O262 | Pregnancy care of habitual aborter |
| O263 | Retained intrauterine contraceptive device in pregnancy |
| O264 | Herpes gestationis |
| O265 | Maternal hypotension syndrome |
| O266 | Liver disorders in pregnancy, childbirth and the puerperium |
| O267 | Subluxation of symphysis ( pubis ) in pregnancy, childbirth and the puerperium |
| O268 | Other specified pregnancy-related conditions |
| O269 | Pregnancy-related condition, unspecified |
| O280 | Abnormal haematological finding on antenatal screening of mother |
| O281 | Abnormal biochemical finding on antenatal screening of mother |
| O282 | Abnormal cytological finding on antenatal screening of mother |
| O283 | Abnormal ultrasonic finding on antenatal screening of mother |
| O284 | Abnormal radiological finding on antenatal screening of mother |
| O285 | Abnormal chromosomal and genetic finding on antenatal screening of mother |
| O288 | Other abnormal findings on antenatal screening of mother |
| O289 | Abnormal finding on antenatal screening of mother,unspecified |
| O290 | Pulmonary complications of anaesthesia during pregnancy |
| O291 | Cardiac complications of anaesthesia during pregnancy |
| O292 | Central nervous system complications of anaesthesia during pregnancy |
| O293 | Toxic reaction to local anaesthesia during pregnancy |
| O294 | Spinal and epidural anaesthesia-induced headache during pregnancy |
| O295 | Other complications of spinal and epidural anaesthesia during pregnancy |
| O296 | Failed or difficult intubation during pregnancy |
| O298 | Other complications of anaesthesia during pregnancy |
| O299 | Complication of anaesthesia during pregnancy, unspecified |
| O300 | Twin pregnancy |
| O301 | Triplet pregnancy |
| O302 | Quadruplet pregnancy |
| O308 | Other multiple gestation |
| O309 | Multiple gestation, unspecified |
| O310 | Papyraceous fetus |
| O311 | Continuing pregnancy after abortion of one fetus or more |
| O312 | Continuing pregnancy after intrauterine death of one fetus or more |
| O318 | Other complications specific to multiple gestation |
| O320 | Maternal care for unstable lie |
| O321 | Maternal care for breech presentation |
| O322 | Maternal care for transverse and oblique lie |
| O323 | Maternal care for face, brow and chin presentation |
| O324 | Maternal care for high head at term |
| O325 | Maternal care for multiple gestation with malpresentation of one fetus or more |
| O326 | Maternal care for compound presentation |
| O328 | Maternal care for other malpresentation of fetus |
| O329 | Maternal care for malpresentation of fetus, unspecified |
| O330 | Maternal care for disproportion due to deformity of maternal pelvic bones |
| O331 | Maternal care for disproportion due to generally contracted pelvis |
| O332 | Maternal care for disproportion due to inlet contraction of pelvis |
| O333 | Maternal care for disproportion due to outlet contraction of pelvis |
| O334 | Maternal care for disproportion of mixed maternal and fetal origin |
| O335 | Maternal care for disproportion due to unusually large fetus |
| O336 | Maternal care for disproportion due to hydrocephalic fetus |
| O337 | Maternal care for disproportion due to other fetal deformities |
| O338 | Maternal care for disproportion of other origin |
| O339 | Maternal care for disproportion, unspecified |
| O340 | Maternal care for congenital malformation of uterus |
| O341 | Maternal care for tumour of corpus uteri |
| O342 | Maternal care due to uterine scar from previous surgery |
| O343 | Maternal care for cervical incompetence |
| O344 | Maternal care for other abnormalities of cervix |
| O345 | Maternal care for other abnormalities of gravid uterus |
| O346 | Maternal care for abnormality of vagina |
| O347 | Maternal care for abnormality of vulva and perineum |
| O348 | Maternal care for other abnormalities of pelvic organs |
| O349 | Maternal care for abnormality of pelvic organ, unspecified |
| O350 | Maternal care for ( suspected ) central nervous system malformation in fetus |
| O351 | Maternal care for ( suspected ) chromosomal abnormality in fetus |
| O352 | Maternal care for ( suspected ) hereditary disease in fetus |
| O353 | Maternal care for ( suspected ) damage to fetus from viral disease in mother |
| O354 | Maternal care for ( suspected ) damage to fetus from alcohol |
| O355 | Maternal care for ( suspected ) damage to fetus by drugs |
| O356 | Maternal care for ( suspected ) damage to fetus by radiation |
| O357 | Maternal care for ( suspected ) damage to fetus by other medical procedures |
| O358 | Maternal care for other ( suspected ) fetal abnormality and damage |
| O359 | Maternal care for ( suspected ) fetal abnormality and damage, unspecified |
| O360 | Maternal care for rhesus isoimmunization |
| O361 | Maternal care for other isoimmunization |
| O362 | Maternal care for hydrops fetalis |
| O363 | Maternal care for signs of fetal hypoxia |
| O364 | Maternal care for intrauterine death |
| O365 | Maternal care for poor fetal growth |
| O366 | Maternal care for excessive fetal growth |
| O367 | Maternal care for viable fetus in abdominal pregnancy |
| O368 | Maternal care for other specified fetal problems |
| O369 | Maternal care for fetal problem, unspecified |
| O40 | Polyhydramnios |
| O410 | Oligohydramnios |
| O411 | Infection of amniotic sac and membranes |
| O418 | Other specified disorders of amniotic fluid and membranes |
| O419 | Disorder of amniotic fluid and membranes,unspecified |
| O420 | Premature rupture of membranes, onset of labour within 24 hours |
| O421 | Premature rupture of membranes, onset of labour after 24 hours |
| O422 | Premature rupture of membranes, labour delayed by therapy |
| O429 | Premature rupture of membranes, unspecified |
| O430 | Placental transfusion syndromes |
| O431 | Malformation of placenta |
| O438 | Other placental disorders |
| O439 | Placental disorder, unspecified |
| O440 | Placenta praevia specified as without haemorrhage |
| O441 | Placenta praevia with haemorrhage |
| O450 | Premature separation of placenta with coagulation defect |
| O458 | Other premature separation of placenta |
| O459 | Premature separation of placenta, unspecified |
| O460 | Antepartum haemorrhage with coagulation defect |
| O468 | Other antepartum haemorrhage |
| O469 | Antepartum haemorrhage, unspecified |
| O470 | False labour before 37 completed weeks of gestation |
| O471 | False labour at or after 37 completed weeks of gestation |
| O479 | False labour, unspecified |
| O48 | Prolonged pregnancy |
| O600 | Preterm labour without delivery |
| O601 | Preterm spontaneous labour with preterm delivery |
| O602 | Preterm spontaneous labour with term delivery |
| O603 | Preterm delivery without spontaneous labour |
| O610 | Failed medical induction of labour |
| O611 | Failed instrumental induction of labour |
| O618 | Other failed induction of labour |
| O619 | Failed induction of labour, unspecified |
| O620 | Primary inadequate contractions |
| O621 | Secondary uterine inertia |
| O622 | Other uterine inertia |
| O623 | Precipitate labour |
| O624 | Hypertonic, incoordinate, and prolonged uterine contractions |
| O628 | Other abnormalities of forces of labour |
| O629 | Abnormality of forces of labour, unspecified |
| O630 | Prolonged first stage ( of labour ) |
| O631 | Prolonged second stage ( of labour ) |
| O632 | Delayed delivery of second twin, triplet, etc. |
| O639 | Long labour, unspecified |
| O640 | Obstructed labour due to incomplete rotation of fetal head |
| O641 | Obstructed labour due to breech presentation |
| O642 | Obstructed labour due to face presentation |
| O643 | Obstructed labour due to brow presentation |
| O644 | Obstructed labour due to shoulder presentation |
| O645 | Obstructed labour due to compound presentation |
| O648 | Obstructed labour due to other malposition and malpresentation |
| O649 | Obstructed labour due to malposition and malpresentation, unspecified |
| O650 | Obstructed labour due to deformed pelvis |
| O651 | Obstructed labour due to generally contracted pelvis |
| O652 | Obstructed labour due to pelvic inlet contraction |
| O653 | Obstructed labour due to pelvic outlet and mid-cavity contraction |
| O654 | Obstructed labour due to fetopelvic disproportion, unspecified |
| O655 | Obstructed labour due to abnormality of maternal pelvic organs |
| O658 | Obstructed labour due to other maternal pelvic abnormalities |
| O659 | Obstructed labour due to maternal pelvic abnormality, unspecified |
| O660 | Obstructed labour due to shoulder dystocia |
| O661 | Obstructed labour due to locked twins |
| O662 | Obstructed labour due to unusually large fetus |
| O663 | Obstructed labour due to other abnormalities of fetus |
| O664 | Failed trial of labour, unspecified |
| O665 | Failed application of vacuum extractor and forceps, unspecified |
| O668 | Other specified obstructed labour |
| O669 | Obstructed labour, unspecified |
| O670 | Intrapartum haemorrhage with coagulation defect |
| O678 | Other intrapartum haemorrhage |
| O679 | Intrapartum haemorrhage, unspecified |
| O680 | Labour and delivery complicated by fetal heart rate anomaly |
| O681 | Labour and delivery complicated by meconium in amniotic fluid |
| O682 | Labour and delivery complicated by fetal heart rate anomaly with meconium in amniotic fluid |
| O683 | Labour and delivery complicated by biochemical evidence of fetal stress |
| O688 | Labour and delivery complicated by other evidence of fetal stress |
| O689 | Labour and delivery complicated by fetal stress, unspecified |
| O690 | Labour and delivery complicated by prolapse of cord |
| O691 | Labour and delivery complicated by cord around neck, with compression |
| O692 | Labour and delivery complicated by other cord entanglement |
| O693 | Labour and delivery complicated by short cord |
| O694 | Labour and delivery complicated by vasa praevia |
| O695 | Labour and delivery complicated by vascular lesion of cord |
| O698 | Labour and delivery complicated by other cord complications |
| O699 | Labour and delivery complicated by cord complication, unspecified |
| O700 | First degree perineal laceration during delivery |
| O701 | Second degree perineal laceration during delivery |
| O702 | Third degree perineal laceration during delivery |
| O703 | Fourth degree perineal laceration during delivery |
| O709 | Perineal laceration during delivery, unspecified |
| O710 | Rupture of uterus before onset of labour |
| O711 | Rupture of uterus during labour |
| O712 | Postpartum inversion of uterus |
| O713 | Obstetric laceration of cervix |
| O714 | Obstetric high vaginal laceration alone |
| O715 | Other obstetric injury to pelvic organs |
| O716 | Obstetric damage to pelvic joints and ligaments |
| O717 | Obstetric haematoma of pelvis |
| O718 | Other specified obstetric trauma |
| O719 | Obstetric trauma, unspecified |
| O720 | Third-stage haemorrhage |
| O721 | Other immediate postpartum haemorrhage |
| O722 | Delayed and secondary postpartum haemorrhage |
| O723 | Postpartum coagulation defects |
| O730 | Retained placenta without haemorrhage |
| O731 | Retained portions of placenta and membranes, without haemorrhage |
| O740 | Aspiration pneumonitis due to anaesthesia during labour and delivery |
| O741 | Other pulmonary complications of anaesthesia during labour and delivery |
| O742 | Cardiac complications of anaesthesia during labour and delivery |
| O743 | Central nervous system complications of anaesthesia during labour and delivery |
| O744 | Toxic reaction to local anaesthesia during labour and delivery |
| O745 | Spinal and epidural anaesthesia-induced headache during labour and delivery |
| O746 | Other complications of spinal and epidural anaesthesia during labour and delivery |
| O747 | Failed or difficult intubation during labour and delivery |
| O748 | Other complications of anaesthesia during labour and delivery |
| O749 | Complication of anaesthesia during labour and delivery, unspecified |
| O750 | Maternal distress during labour and delivery |
| O751 | Shock during or following labour and delivery |
| O752 | Pyrexia during labour, not elsewhere classified |
| O753 | Other infection during labour |
| O754 | Other complications of obstetric surgery and procedures |
| O755 | Delayed delivery after artificial rupture of membranes |
| O756 | Delayed delivery after spontaneous or unspecified rupture of membranes |
| O757 | Vaginal delivery following previous caesarean section |
| O758 | Other specified complications of labour and delivery |
| O759 | Complication of labour and delivery, unspecified |
| O800 | Spontaneous vertex delivery |
| O801 | Spontaneous breech delivery |
| O802 | Other single spontaneous delivery |
| O809 | Single spontaneous delivery, unspecified |
| O810 | Low forceps delivery |
| O811 | Mid-cavity forceps delivery |
| O812 | Mid-cavity forceps with rotation |
| O813 | Other and unspecified forceps delivery |
| O814 | Vacuum extractor delivery |
| O815 | Delivery by combination of forceps and vacuum extractor |
| O820 | Delivery by elective caesarean section |
| O821 | Delivery by emergency caesarean section |
| O822 | Delivery by caesarean hysterectomy |
| O828 | Other single delivery by caesarean section |
| O829 | Delivery by caesarean section, unspecified |
| O830 | Breech extraction |
| O831 | Other assisted breech delivery |
| O832 | Other manipulation-assisted delivery |
| O833 | Delivery of viable fetus in abdominal pregnancy |
| O834 | Destructive operation for delivery |
| O838 | Other specified assisted single delivery |
| O839 | Assisted single delivery, unspecified |
| O840 | Multiple delivery, all spontaneous |
| O841 | Multiple delivery, all by forceps and vacuum extractor |
| O842 | Multiple delivery, all by caesarean section |
| O848 | Other multiple delivery |
| O849 | Multiple delivery, unspecified |
| O85 | Puerperal sepsis |
| O860 | Infection of obstetric surgical wound |
| O861 | Other infection of genital tract following delivery |
| O862 | Urinary tract infection following delivery |
| O863 | Other genitourinary tract infections following delivery |
| O864 | Pyrexia of unknown origin following delivery |
| O868 | Other specified puerperal infections |
| O870 | Superficial thrombophlebitis in the puerperium |
| O871 | Deep phlebothrombosis in the puerperium |
| O872 | Haemorrhoids in the puerperium |
| O873 | Cerebral venous thrombosis in the puerperium |
| O878 | Other venous complications in the puerperium |
| O879 | Venous complication in the puerperium, unspecified |
| O880 | Obstetric air embolism |
| O881 | Amniotic fluid embolism |
| O882 | Obstetric blood-clot embolism |
| O883 | Obstetric pyaemic and septic embolism |
| O888 | Other obstetric embolism |
| O890 | Pulmonary complications of anaesthesia during the puerperium |
| O891 | Cardiac complications of anaesthesia during the puerperium |
| O892 | Central nervous system complications of anaesthesia during the puerperium |
| O893 | Toxic reaction to local anaesthesia during the puerperium |
| O894 | Spinal and epidural anaesthesia-induced headache during the puerperium |
| O895 | Other complications of spinal and epidural anaesthesia during the puerperium |
| O896 | Failed or difficult intubation during the puerperium |
| O898 | Other complications of anaesthesia during the puerperium |
| O899 | Complication of anaesthesia during the puerperium, unspecified |
| O900 | Disruption of caesarean section wound |
| O901 | Disruption of perineal obstetric wound |
| O902 | Haematoma of obstetric wound |
| O903 | Cardiomyopathy in the puerperium |
| O904 | Postpartum acute renal failure |
| O905 | Postpartum thyroiditis |
| O908 | Other complications of the puerperium, not elsewhere classified |
| O909 | Complication of the puerperium, unspecified |
| O910 | Infection of nipple associated with childbirth |
| O911 | Abscess of breast associated with childbirth |
| O912 | Nonpurulent mastitis associated with childbirth |
| O920 | Retracted nipple associated with childbirth |
| O921 | Cracked nipple associated with childbirth |
| O922 | Other and unspecified disorders of breast associated with childbirth |
| O923 | Agalactia |
| O924 | Hypogalactia |
| O925 | Suppressed lactation |
| O926 | Galactorrhoea |
| O927 | Other and unspecified disorders of lactation |
| O94 | Sequelae of cpmplication of pregnancy, childbirth and the puerperium |
| O95 | Obstetric death of unspecified cause |
| O96.0 | Death from direct obstetric cause |
| O96.1 | Death from indirect obstetric cause |
| O96.9 | Death from unspecified obstetric cause |
| O97 | Death from sequelae of obstetric causes |
| O97.0 | Death from sequelae of direct obstetric cause |
| O97.1 | Death from sequelae of indirect obstetric cause |
| O97.9 | Death from sequelae of obstetric cause, unspecified |
| O980 | Tuberculosis complicating pregnancy, childbirth and the puerperium |
| O981 | Syphilis complicating pregnancy, childbirth and the puerperium |
| O982 | Gonorrhoea complicating pregnancy, childbirth and the puerperium |
| O983 | Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium |
| O984 | Viral hepatitis complicating pregnancy, childbirth and the puerperium |
| O985 | Other viral diseases complicating pregnancy, childbirth and the puerperium |
| O986 | Protozoal diseases complicating pregnancy, childbirth and the puerperium |
| O988 | Other maternal infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium |
| O989 | Unspecified maternal infectious and parasitic disease complicating pregnancy, childbirth and the puerperium |
| O990 | Anaemia complicating pregnancy, childbirth and the puerperium |
| O991 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium |
| O992 | Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium |
| O993 | Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium |
| O994 | Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium |
| O995 | Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium |
| O996 | Diseases of the digestive system complicating pregnancy, childbirth and the puerperium |
| O997 | Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium |
| O998 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium |