10ICD Code Hub

O03

Header — not billable

Spontaneous abortion

The ICD-10 code for spontaneous abortion is O03.

O03 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.

Clinical notes

Includes

Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.

  • miscarriage

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under O03

Related codes in this category