O03Header code — not billable
Spontaneous abortion
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O03
- Effective date
- October 1, 2026
Related codes in category O03
O03.0Genitl trct and pelvic infection fol incmpl spon abortionYesO03.1Delayed or excessive hemor following incmpl spon abortionYesO03.2Embolism following incomplete spontaneous abortionYesO03.3Oth and unsp comp following incomplete spontaneous abortionO03.30Unsp complication following incomplete spontaneous abortionYesO03.31Shock following incomplete spontaneous abortionYesO03.32Renal failure following incomplete spontaneous abortionYesO03.33Metabolic disorder following incomplete spontaneous abortionYesO03.34Damage to pelvic organs following incomplete spon abortionYesO03.35Oth venous comp following incomplete spontaneous abortionYesO03.36Cardiac arrest following incomplete spontaneous abortionYesO03.37Sepsis following incomplete spontaneous abortionYes
Frequently asked questions
What is ICD-10 code O03?
O03 is an ICD-10-CM diagnosis code for Spontaneous abortion.
Is O03 a billable code?
No. O03 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is O03 in?
O03 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O03 become effective?
O03 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O03?
O03 belongs to category O03, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.