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O99.345

O99.345: Other mental disorders complicating the puerperium

Billable / specific codeICD-10-CM

O99.345 is a billable, specific ICD-10-CM code for other mental disorders complicating the puerperium. It is valid for submission on a claim.

Check O99.345 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above O99.345

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

Written on O99.34: Other mental disorders complicating pregnancy, childbirth, and the puerperium

  • postpartum mood disturbance (O90.6)
  • postnatal psychosis (F53.1)
  • puerperal psychosis (F53.1)

Written on O99: Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

  • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Risk adjustment

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

Alphabetic index entries that lead here

  • Puerperal, puerperium›mental disorder NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O99.34

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.