TheCardiovascular
Knowledge baseToolsDrugsCoursesTestsAtlas
⌘K
Log inBecome a member
Tools/ICD-10-CM/Z67.A
  • Calculators
  • ICD-10-CM
  • Procedure Codes
  • Reference values
  • Procedures
  • Quick references
loading…
ICD-10-CM/Factors influencing health status and contact with health services/Blood type

Z67.A Duffy phenotype

BackZ67Blood typeCategory7 →Z67.1Type A bloodCategory2 →Z67.10Type A blood, Rh positiveCategoryZ67.11Type A blood, Rh negativeCategoryZ67.2Type B bloodCategory2 →Z67.20Type B blood, Rh positiveCategoryZ67.21Type B blood, Rh negativeCategoryZ67.3Type AB bloodCategory2 →Z67.30Type AB blood, Rh positiveCategoryZ67.31Type AB blood, Rh negativeCategoryZ67.4Type O bloodCategory2 →Z67.40Type O blood, Rh positiveCategoryZ67.41Type O blood, Rh negativeCategoryZ67.9Unspecified blood typeCategory2 →Z67.90Unspecified blood type, Rh positiveCategoryZ67.91Unspecified blood type, Rh negativeCategoryZ67.ADuffy phenotypeCategory4 →Z67.A1Duffy nullCategoryZ67.A2Duffy a positiveCategoryZ67.A3Duffy b positiveCategoryZ67.A4Duffy a and b positiveCategory
Category
Z67.A
Duffy phenotype
Chapter
XXI · Factors influencing health status and contact with health services
Section
Z67
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.

Search articles →

The Cardiovascular

Clinical reviews, calculators and code systems for healthcare. Every recommendation carries its level of evidence and its source.

Become a member→
Knowledge
  • All areas
  • Articles
  • Symptoms
  • Drugs
  • Guidelines
  • Image library
  • Search
Tools
  • Calculators
  • Reference values
  • Diagnosis codes
  • Procedure Codes
  • Procedures
Learn
  • Courses
  • Knowledge tests
  • My account
About the site
  • Authors
  • Contact
  • Terms
  • Privacy policy
© 2026 Rawshani Research AB. All rights reserved.The content is intended for healthcare professionals and does not replace clinical judgement.
Saved