ICD-10-CM
ICD-10 code for Rhinopharyngitis (acute) (subacute) destructive ulcerating: A66.5
The ICD-10-CM index points "Rhinopharyngitis (acute) (subacute) destructive ulcerating" to A66.5, Gangosa. A66.5 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in A66
A header groups codes and is not billed. A billable code is one you can report.
- A66YawsHeader
- A66.0Initial lesions of yawsBillable
- A66.1Multiple papillomata and wet crab yawsBillable
- A66.2Other early skin lesions of yawsBillable
- A66.3Hyperkeratosis of yawsBillable
- A66.4Gummata and ulcers of yawsBillable
- A66.5GangosaBillable
- A66.6Bone and joint lesions of yawsBillable
- A66.7Other manifestations of yawsBillable
- A66.8Latent yawsBillable
- A66.9Yaws, unspecifiedBillable
Related conditions
Related pages
- A66.5 code detailsNotes, nearby codes, CMS-HCC group
- Category A66Every code under it
- Chapter 1Certain infectious and parasitic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Rhinopharyngitis (acute) (subacute) destructive ulcerating?
The ICD-10-CM index points "Rhinopharyngitis (acute) (subacute) destructive ulcerating" to A66.5, Gangosa. A66.5 is a billable code.
Is A66.5 billable?
Yes. A66.5 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is A66.5 in?
Chapter 1. Certain infectious and parasitic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.