Blood type (Z67) ICD-10-CM
The Z67 code range covers blood type with 21 ICD-10-CM diagnosis codes. 14 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the Z67 Range 21 codes · 14 billable
- Z67 Blood typeNon-billable
- Z67.1 Type A bloodNon-billable
- Z67.10 Type A blood, Rh positive
- Z67.11 Type A blood, Rh negative
- Z67.2 Type B bloodNon-billable
- Z67.20 Type B blood, Rh positive
- Z67.21 Type B blood, Rh negative
- Z67.3 Type AB bloodNon-billable
- Z67.30 Type AB blood, Rh positive
- Z67.31 Type AB blood, Rh negative
- Z67.4 Type O bloodNon-billable
- Z67.40 Type O blood, Rh positive
- Z67.41 Type O blood, Rh negative
- Z67.9 Unspecified blood typeNon-billable
- Z67.90 Unspecified blood type, Rh positive
- Z67.91 Unspecified blood type, Rh negative
- Z67.A Duffy phenotypeNon-billable
- Z67.A1 Duffy null
- Z67.A2 Duffy a positive
- Z67.A3 Duffy b positive
- Z67.A4 Duffy a and b positive
About the Z67 Code Range
Z67 codes are used to specify an individual’s blood type, including the major ABO groups (A, B, AB, O) and their Rh (Rhesus) factor status as either positive or negative. These codes help clearly document blood grouping for clinical, transfusion, or diagnostic purposes.
The Z67 range includes subcodes for each ABO blood group. For example, Z67.1 specifies Type A blood, and detailed variants like Z67.10 identify Type A, Rh positive, also known as blood group A or its variants such as blood group A>h<. Similarly, Z67.20 covers Type B, Rh positive, a code associated with synonyms like blood group B>3< and RhD positive. The range also includes codes for Type AB (Z67.3) and Type O (Z67.4), with corresponding Rh positive and negative distinctions. Unspecified blood types are captured by codes like Z67.9 and subcategories that cover numerous blood group phenotypes, such as Lewis or Kell, helping coders address less common or unknown blood classifications. The codes Z67.A1 to Z67.A4 specifically reference Duffy blood group phenotypes, important in transfusion medicine and immunohematology. This coding range supports clinical accuracy when blood type influences treatment decisions or compatibility assessments.
Questions About This Page
How many billable codes are in the Z67 range?
Of the 21 codes in this range, 14 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Z67 range classify?
The range classifies blood type. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
