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 | — |
| Z67.1 | Type A blood | — |
| Z67.2 | Type B blood | — |
| Z67.2 | Type B blood | — |
| Z67.3 | Type AB blood | — |
| Z67.3 | Type AB blood | — |
| Z67.4 | Type O blood | — |
| Z67.4 | Type O blood | — |
| Z67.9 | Unspecified blood type | — |
| Z67.9 | Unspecified blood type | — |
| Z67.10 | Type A blood, Rh positive | ✓ |
| Z67.10 | Type A blood, Rh positive | ✓ |
| Z67.11 | Type A blood, Rh negative | ✓ |
| Z67.11 | Type A blood, Rh negative | ✓ |
| Z67.20 | Type B blood, Rh positive | ✓ |
| Z67.20 | Type B blood, Rh positive | ✓ |
| Z67.21 | Type B blood, Rh negative | ✓ |
| Z67.21 | Type B blood, Rh negative | ✓ |
| Z67.30 | Type AB blood, Rh positive | ✓ |
| Z67.30 | Type AB blood, Rh positive | ✓ |
| Z67.31 | Type AB blood, Rh negative | ✓ |
| Z67.31 | Type AB blood, Rh negative | ✓ |
| Z67.40 | Type O blood, Rh positive | ✓ |
| Z67.40 | Type O blood, Rh positive | ✓ |
| Z67.41 | Type O blood, Rh negative | ✓ |
| Z67.41 | Type O blood, Rh negative | ✓ |
| Z67.90 | Unspecified blood type, Rh positive | ✓ |
| Z67.90 | Unspecified blood type, Rh positive | ✓ |
| Z67.91 | Unspecified blood type, Rh negative | ✓ |
| Z67.91 | Unspecified blood type, Rh negative | ✓ |
| Z67.A | Duffy phenotype | — |
| Z67.A | Duffy phenotype | — |
| Z67.A1 | Duffy null | ✓ |
| Z67.A1 | Duffy null | ✓ |
| Z67.A2 | Duffy a positive | ✓ |
| Z67.A2 | Duffy a positive | ✓ |
| Z67.A3 | Duffy b positive | ✓ |
| Z67.A3 | Duffy b positive | ✓ |
| Z67.A4 | Duffy a and b positive | ✓ |
| Z67.A4 | Duffy a and b positive | ✓ |
Frequently asked questions
What is ICD-10-CM code Z67?
Z67 is an ICD-10-CM category covering Blood type. It contains 40 more specific diagnosis codes, 28 of which are billable.
Is Z67 a billable code?
No — Z67 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z67.1 — Type A blood). 28 of the 40 codes under Z67 are billable.
What codes fall under Z67?
Z67 includes Z67.1, Z67.1, Z67.2, Z67.2, Z67.3, plus 35 more. See the full list with descriptions and billable status above.
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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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