ICD-10-CM category
Z67: Blood type
Codes under Z67 (Blood type). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z67.1 | Type A blood | — |
| Z67.2 | Type B blood | — |
| Z67.3 | Type AB blood | — |
| Z67.4 | Type O blood | — |
| Z67.9 | Unspecified blood type | — |
| Z67.10 | Type A blood, Rh positive | ✓ |
| Z67.11 | Type A blood, Rh negative | ✓ |
| Z67.20 | Type B blood, Rh positive | ✓ |
| Z67.21 | Type B blood, Rh negative | ✓ |
| Z67.30 | Type AB blood, Rh positive | ✓ |
| Z67.31 | Type AB blood, Rh negative | ✓ |
| Z67.40 | Type O blood, Rh positive | ✓ |
| Z67.41 | Type O blood, Rh negative | ✓ |
| Z67.90 | Unspecified blood type, Rh positive | ✓ |
| Z67.91 | Unspecified blood type, Rh negative | ✓ |
| Z67.A | Duffy phenotype | — |
| Z67.A1 | Duffy null | ✓ |
| Z67.A2 | Duffy a positive | ✓ |
| Z67.A3 | Duffy b positive | ✓ |
| Z67.A4 | Duffy a and b positive | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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