MCMedicalCodingSoftware
Z67.A1

Z67.A1: Duffy null

Billable / specific codeICD-10-CMPOA exempt

Z67.A1 is a billable, specific ICD-10-CM code for duffy null. It is valid for submission on a claim.

Check Z67.A1 with the rest of the claim: free scrubber

Inclusion terms

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

  • Duffy phenotype Fy(a-b-)

Risk adjustment

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

Alphabetic index entries that lead here

  • Phenotype›Duffy›Fy(a-b-)
  • Phenotype›Duffy›null

Code history

  • addedFY2024-FY2027

    Duffy null

Other codes under Z67.A

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.