MCMedicalCodingSoftware
N42.32

N42.32: Atypical small acinar proliferation of prostate

Billable / specific codeICD-10-CM

N42.32 is a billable, specific ICD-10-CM code for atypical small acinar proliferation of prostate. It is valid for submission on a claim.

Check N42.32 with the rest of the claim: free scrubber

Risk adjustment

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

Medicare coverage

N42.32 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52986Billing and Coding: Biomarkers for Oncology
  • A57427Billing and Coding: Transrectal Ultrasound
  • A57689Billing and Coding: Lab: Flow Cytometry

Alphabetic index entries that lead here

  • Proliferation›prostate, atypical small acinar

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N42.3

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.