Z67.A3

Billable

ChapterZ00–Z99

Ranksubcategory

Official Description

Duffy b positive

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes

Duffy phenotype Fy(a-b+)

Clinical Hierarchy

CH21Factors influencing health status and contact with health services (Z00-Z99)

Z67Blood type

Z67.ADuffy phenotype

Z67.A3Duffy b positive

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Z67.A3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths

Phenotype2 unique routes

Duffy(2 variants)

b positive→Z67.A3

Fy (a-b+)→Z67.A3

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 951

Other Factors Influencing Health Status

Cross Reference

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