A66.5
A66.5 — Gangosa
Billable / specific codeICD-10-CM
A66.5 is a billable, specific ICD-10-CM code for gangosa. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Rhinopharyngitis mutilans
Risk adjustment
A66.5 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 A66.5 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 A66.5.
- Gangosa
- Rhinopharyngitis›destructive ulcerating
- Rhinopharyngitis›mutilans
- Yaws›gangosis, gangosa
Related codes at this level
Codes that share A66. If A66.5 is not quite right, the correct code is usually one of these.
Questions about A66.5
- Is A66.5 a billable ICD-10-CM code?
- Yes. A66.5 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A66.5 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Other spirochetal diseases (A65-A69).