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ICD-10 diagnosis code

O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

This page in Swedish

O99 is the ICD-10 code for Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It is a three-character category divided into 9 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block O94–O99 (Other obstetric conditions, not elsewhere classified) in Chapter XV, Pregnancy, childbirth and the puerperium.

Code type
Category (3 characters)
Chapter
XV · O00–O99
Classification
WHO ICD-10, 2019 version

What O99 excludes

Conditions that look similar but belong under another code.

  • 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

Coding notes

  • Use additional code, if desired, to identify specific condition.
  • 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.

Subcodes of O99

O99 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

O99Andra sjukdomar hos modern som klassificeras på annan plats men som komplicerar graviditet, förlossning och barnsängstid

DenmarkICD-10-DK

DO99Andre sygdomme hos moderen, som klassificeres i andre kapitler, men som komplicerer graviditet, fødsel og barselsperiode

FinlandICD-10-FI

O99Muualla luokitetut äidin muut sairaudet, jotka komplisoivat raskautta, synnytystä tai lapsivuoteutta

GermanyICD-10-GM

O99Sonstige Krankheiten der Mutter, die anderenorts klassifizierbar sind, die jedoch Schwangerschaft, Geburt und Wochenbett komplizieren

FranceICD-10-FR

O99Autres maladies de la mère classées ailleurs, mais compl iquant la grossesse, l'accouchement et la

NetherlandsICD-10-NL

O99overige maternale aandoeningen, elders geclassificeerd, maar optredend

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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