Z67.A4
BillableDuffy a and b positive
Z67.A4 is the ICD-10-CM code for Duffy a and b positive. It is a billable, specific code valid for reimbursement.
Z00-Z99 Factors influencing health status and contact with health services
Includes
- •Duffy phenotype Fy(a+b+)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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