Chapter XV
Pregnancy, childbirth and the puerperium
(O00-O99)

Other obstetric conditions, not elsewhere classified
(O94-O99)

Note: For use of categories O95-O97 reference should be made to the mortality coding rules and guidelines in Volume 2.

O94 Sequelae of complication of pregnancy, childbirth and the puerperium
Note: This category is to be used for morbidity coding only to indicate conditions in categories O00-O75 and O85-O92 as the cause of sequelae, which are themselves classified elsewhere. The 'sequelae' include conditions specified as such or as late effects, or those present one year or more after the onset of the causal condition.
Excludes: that resulting in death ( O96 , O97 )

O95 Obstetric death of unspecified cause
Maternal death from unspecified cause occurring during pregnancy, labour and delivery, or the puerperium

O96 Death from any obstetric cause occurring more than 42 days but less than one year after delivery
Use additional code, if desired, to identify obstetric cause of death.

O97 Death from sequelae of direct obstetric causes
Death from any direct obstetric cause occurring one year or more after delivery

O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Includes: the listed conditions when complicating the pregnant state, when aggravated by the pregnancy, or as a reason for obstetric care
Use additional code (Chapter I), if desired, to identify specific condition.
Excludes: asymptomatic human immunodeficiency virus [HIV] infection status ( Z21 )
human immunodeficiency virus [HIV] disease ( B20-B24 )
laboratory evidence of human immunodeficiency virus [HIV] ( R75 )
obstetrical tetanus ( A34 )
puerperal:
· infection ( O86.- )
· sepsis ( O85 )
when the reason for maternal care is that the disease is known or suspected to have affected the fetus ( O35-O36 )
O98.0 Tuberculosis complicating pregnancy, childbirth and the puerperium
Conditions in A15-A19
O98.1 Syphilis complicating pregnancy, childbirth and the puerperium
Conditions in A50-A53
O98.2 Gonorrhoea complicating pregnancy, childbirth and the puerperium
Conditions in A54.-
O98.3 Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium
Conditions in A55-A64
O98.4 Viral hepatitis complicating pregnancy, childbirth and the puerperium
Conditions in B15-B19
O98.5 Other viral diseases complicating pregnancy, childbirth and the puerperium
Conditions in A80-B09, B25-B34
O98.6 Protozoal diseases complicating pregnancy, childbirth and the puerperium
Conditions in B50-B64
O98.8 Other maternal infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium
O98.9 Unspecified maternal infectious or parasitic disease complicating pregnancy, childbirth and the puerperium

O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Note: This category includes conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care and for which the Alphabetical Index does not indicate a specific rubric in Chapter XV.
Use additional code, if desired, to identify specific condition.
Excludes: infectious and parasitic diseases ( O98.- )
injury, poisoning and certain other consequences of external causes ( S00-T98 )
when the reason for maternal care is that the condition is known or suspected to have affected the fetus ( O35-O36 )
O99.0 Anaemia complicating pregnancy, childbirth and the puerperium
Conditions in D50-D64
O99.1 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium
Conditions in D65-D89
Excludes: haemorrhage with coagulation defects ( O46.0 , O67.0 , O72.3 )
O99.2 Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium
Conditions in E00-E90
Excludes: diabetes mellitus ( O24.- )
malnutrition ( O25 )
postpartum thyroiditis ( O90.5 )
O99.3 Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium
Conditions in F00-F99 and G00-G99
Excludes: postnatal depression ( F53.0 )
pregnancy-related peripheral neuritis ( O26.8 )
puerperal psychosis ( F53.1 )
O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium
Conditions in I00-I99
Excludes: cardiomyopathy in the puerperium ( O90.3 )
hypertensive disorders ( O10-O16 )
obstetric embolism ( O88.- )
venous complications and cerebrovenous sinus thrombosis in:
· labour, childbirth and the puerperium ( O87.- )
· pregnancy ( O22.- )
O99.5 Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium
Conditions in J00-J99
O99.6 Diseases of the digestive system complicating pregnancy, childbirth and the puerperium
Conditions in K00-K93
Excludes: liver disorders in pregnancy, childbirth and the puerperium ( O26.6 )
O99.7 Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium
Conditions in L00-L99
Excludes: herpes gestationis ( O26.4 )
O99.8 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium
Combination of conditions classifiable to O99.0-O99.7
Conditions in C00-D48, H00-H95, M00-M99, N00-N99, and Q00-Q99 not elsewhere classified
Excludes: genitourinary infections in pregnancy ( O23.- )
infection of genitourinary tract following delivery ( O86.0-O86.3 )
maternal care for known or suspected abnormality of maternal pelvic organs ( O34.- )
postpartum acute renal failure ( O90.4 )
postpartum nephritis ( O90.8 )