MCMedicalCodingSoftware
O03.9

O03.9: Complete or unspecified spontaneous abortion without complication

Billable / specific codeICD-10-CM

O03.9 is a billable, specific ICD-10-CM code for complete or unspecified spontaneous abortion without complication. It is valid for submission on a claim.

Check O03.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Miscarriage NOS
  • Spontaneous abortion NOS

Other codes that can never be billed with O03.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • O22Venous complications and hemorrhoids in pregnancy

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Abortion(complete) (spontaneous)
  • Miscarriage
  • Threatened›abortion›with subsequent abortion

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O03

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.