O26.899 — Other specified pregnancy related conditions, unspecified trimester

O26.899

ICD-10 Chapter 15: Pregnancy, Childbirth & Puerperium — illustrative image — Chapter 15: Pregnancy, childbirth and the puerperium (O00–O9A) — illustrative image

What this code means

Another specified pregnancy-related condition affecting the mother, not covered by the more specific pregnancy codes.

Also called: pregnancy related condition.

When this code is used

Used for other specified pregnancy related conditions.

Where it sits in ICD-10-CM

Code O26.899 belongs to Chapter 15: Pregnancy, childbirth and the puerperium, which covers codes O00–O9A in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Learn more about this condition

Condition guide: Pregnancy

Frequently asked questions

What is ICD-10-CM code O26.899?

O26.899 is the ICD-10-CM diagnosis code for “Other specified pregnancy related conditions, unspecified trimester”. Another specified pregnancy-related condition affecting the mother, not covered by the more specific pregnancy codes.

When is code O26.899 used?

Used for other specified pregnancy related conditions. It belongs to Chapter 15 of ICD-10-CM (Pregnancy, childbirth and the puerperium).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.