Blood type
21 codes in this section
About Section Z67
Section Z67 (Z67-Z67) covers blood type. It sits within the Factors influencing health status and contact with health services chapter (Z00-Z99). This section contains 21 ICD-10-CM codes, 14 billable diagnoses you can submit on a claim, and 7 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in Z67
Grouped by 3-character root code. Click any code for full detail.
| Z67.1 | Type A blood | Header |
| Z67.10 | Type A blood, Rh positive | Billable |
| Z67.11 | Type A blood, Rh negative | Billable |
| Z67.2 | Type B blood | Header |
| Z67.20 | Type B blood, Rh positive | Billable |
| Z67.21 | Type B blood, Rh negative | Billable |
| Z67.3 | Type AB blood | Header |
| Z67.30 | Type AB blood, Rh positive | Billable |
| Z67.31 | Type AB blood, Rh negative | Billable |
| Z67.4 | Type O blood | Header |
| Z67.40 | Type O blood, Rh positive | Billable |
| Z67.41 | Type O blood, Rh negative | Billable |
| Z67.9 | Unspecified blood type | Header |
| Z67.90 | Unspecified blood type, Rh positive | Billable |
| Z67.91 | Unspecified blood type, Rh negative | Billable |
| Z67.A | Duffy phenotype | Header |
| Z67.A1 | Duffy null | Billable |
| Z67.A2 | Duffy a positive | Billable |
| Z67.A3 | Duffy b positive | Billable |
| Z67.A4 | Duffy a and b positive | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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