T21.66XA
T21.66XA: Corrosion of second degree of male genital region, initial encounter
Billable / specific codeICD-10-CM
T21.66XA is a billable, specific ICD-10-CM code for corrosion of second degree of male genital region, initial encounter. It is valid for submission on a claim.
Check T21.66XA with the rest of the claim: free scrubber7th character "A": initial encounter
The appropriate 7th character is to be added to each code from category T21
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Corrosion of second degree of penis
- Corrosion of second degree of scrotum
- Corrosion of second degree of testis
Excludes2 inherited from the categories above T21.66XA
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
T21.66XA is named in 11 Medicare coverage policies: 9 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A56566Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
- A57067Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
- A52438Billing and Coding: Tetanus Immunization
- A53058Billing and Coding: Home Health Physical Therapy
Code history
Unchanged in every release from FY2024 to FY2027.