ICD-10-CM · FY 2026 APRIL UPDATE
Z67
Blood type
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| Z67.1 | Type A blood | Category |
| Z67.10 | Type A blood, Rh positive | Billable |
| Z67.11 | Type A blood, Rh negative | Billable |
| Z67.2 | Type B blood | Category |
| Z67.20 | Type B blood, Rh positive | Billable |
| Z67.21 | Type B blood, Rh negative | Billable |
| Z67.3 | Type AB blood | Category |
| Z67.30 | Type AB blood, Rh positive | Billable |
| Z67.31 | Type AB blood, Rh negative | Billable |
| Z67.4 | Type O blood | Category |
| Z67.40 | Type O blood, Rh positive | Billable |
| Z67.41 | Type O blood, Rh negative | Billable |
| Z67.9 | Unspecified blood type | Category |
| Z67.90 | Unspecified blood type, Rh positive | Billable |
| Z67.91 | Unspecified blood type, Rh negative | Billable |
| Z67.A | Duffy phenotype | Category |
| 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 |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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