MCMedicalCodingSoftware
O9A.23

O9A.23: Injury, poisoning and certain other consequences of external causes complicating the puerperium

Billable / specific codeICD-10-CM

O9A.23 is a billable, specific ICD-10-CM code for injury, poisoning and certain other consequences of external causes complicating the puerperium. It is valid for submission on a claim.

Check O9A.23 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above O9A.23

Not part of this code, but both may be coded when both are present.

Written on O9A.2: Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium

  • physical, sexual and psychological abuse complicating pregnancy, childbirth and the puerperium (O9A.3-, O9A.4-, O9A.5-)

Risk adjustment

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

Medicare coverage

O9A.23 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57189Billing and Coding: Serum Magnesium

Alphabetic index entries that lead here

  • Puerperal, puerperium›trauma, non-obstetric

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O9A.2

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.