O03.9 — Complete or unspecified spontaneous abortion without complication

O03.9

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

What this code means

A spontaneous abortion (miscarriage) that is complete or unspecified, without complications being recorded.

Also called: miscarriage, spontaneous abortion.

When this code is used

Used for complete or unspecified spontaneous abortion without complication.

Where it sits in ICD-10-CM

Code O03.9 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

Related symptoms

Abdominal pain

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Frequently asked questions

What is ICD-10-CM code O03.9?

O03.9 is the ICD-10-CM diagnosis code for “Complete or unspecified spontaneous abortion without complication”. A spontaneous abortion (miscarriage) that is complete or unspecified, without complications being recorded.

When is code O03.9 used?

Used for complete or unspecified spontaneous abortion without complication. 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.