MCMedicalCodingSoftware
Q91.2

Q91.2: Trisomy 18, translocation

Billable / specific codeICD-10-CMPOA exempt

Q91.2 is a billable, specific ICD-10-CM code for trisomy 18, translocation. It is valid for submission on a claim.

Check Q91.2 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

Q91.2 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57306Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

  • Translocation›trisomy›18
  • Trisomy›18›translocation
  • Syndrome›trisomy›18›translocation

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q91

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.