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Z67.91 Unspecified blood type, Rh negative
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
CategoryCODABLE
Z67.91
Unspecified blood type, Rh negative
- Chapter
- XXI · Factors influencing health status and contact with health services
- Section
- Z67
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.