2026
ICD-10-CM
Diagnosis
Code

Z67.A3 Duffy b positive

  • Billable
  • POA Exempt
  • 2025–2026

Z67.A3 is a billable/specific and POA-exempt diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Duffy b positive.

Inclusion term

  • Duffy phenotype Fy(a-b+)

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