ICD-10-CM 2027
ICD-10 code for Duffy phenotype
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Phenotype › Duffy”. Page updated September 29, 2026.
About coding Duffy phenotype
The official ICD-10-CM index doesn't give a single default code for duffy phenotype; the code depends on the details below.
More specific Duffy phenotype codes (official index)
Common questions about Duffy phenotype ICD-10 codes
What is the ICD-10 code for a positive duffy phenotype?
- Z67.A2 — Duffy a positive.
What is the ICD-10 code for a and b positive duffy phenotype?
- Z67.A4 — Duffy a and b positive.
What is the ICD-10 code for b positive duffy phenotype?
- Z67.A3 — Duffy b positive.
What is the ICD-10 code for fy duffy phenotype?
- Z67.A2 — Duffy a positive.
What is the ICD-10 code for fy duffy phenotype?
- Z67.A1 — Duffy null.
What is the ICD-10 code for fy duffy phenotype?
- Z67.A3 — Duffy b positive.
What is the ICD-10 code for fy duffy phenotype?
- Z67.A4 — Duffy a and b positive.