Z67.A2
Z67.A2 — Duffy a positive
Billable / specific codeICD-10-CMPOA exempt
Z67.A2 is a billable, specific ICD-10-CM code for duffy a positive. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Duffy phenotype Fy(a+b-)
Risk adjustment
Z67.A2 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How Z67.A2 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z67.A2.
- Phenotype›Duffy›a positive
- Phenotype›Duffy›Fy(a+b-)
Related codes at this level
Codes that share Z67.A. If Z67.A2 is not quite right, the correct code is usually one of these.
Questions about Z67.A2
- Is Z67.A2 a billable ICD-10-CM code?
- Yes. Z67.A2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z67.A2 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Blood type (Z67).