Blood type
chapter 21: Factors Influencing Health Status and Contact with Health Services
14 billable codes under Z67: none are a CC or MCC; none map to an HCC.
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers when and how to use Z codes (Z00-Z99) for encounters and supplementary information, including contact, status, history, screening, aftercare, exams, and social determinants of health.
All codes under Z67
Z67 can't be used on a claim. Pick a billable code below; grey headings group them.
- Z67.1Type A blood
- Z67.10Type A blood, Rh positive
- Z67.11Type A blood, Rh negative
- Z67.2Type B blood
- Z67.20Type B blood, Rh positive
- Z67.21Type B blood, Rh negative
- Z67.3Type AB blood
- Z67.30Type AB blood, Rh positive
- Z67.31Type AB blood, Rh negative
- Z67.4Type O blood
- Z67.40Type O blood, Rh positive
- Z67.41Type O blood, Rh negative
- Z67.9Unspecified blood type
- Z67.90Unspecified blood type, Rh positive
- Z67.91Unspecified blood type, Rh negative
- Z67.ADuffy phenotype
- Z67.A1Duffy null
- Z67.A2Duffy a positive
- Z67.A3Duffy b positive
- Z67.A4Duffy a and b positive
Z67 MS-DRG
As the principal diagnosis, all 14 billable codes under Z67 group to MS-DRG 951 (v44.0).
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Blood
Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.
Read more about blood on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
