O03
⚠ Non-billable (Header)Spontaneous abortion
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ Includes
- • miscarriage
Child Codes (10)
O03.0Genital tract and pelvic infection following incomplete spontaneous abortionO03.1Delayed or excessive hemorrhage following incomplete spontaneous abortionO03.2Embolism following incomplete spontaneous abortionO03.3Other and unspecified complications following incomplete spontaneous abortionO03.4Incomplete spontaneous abortion without complicationO03.5Genital tract and pelvic infection following complete or unspecified spontaneous abortionO03.6Delayed or excessive hemorrhage following complete or unspecified spontaneous abortionO03.7Embolism following complete or unspecified spontaneous abortionO03.8Other and unspecified complications following complete or unspecified spontaneous abortionO03.9Complete or unspecified spontaneous abortion without complication
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CodeO03
BillableNo — Header code
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes10 rule(s)
Excludes20 note(s)
Child codes10
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)