S90.424A
S90.424A: Blister (nonthermal), right lesser toe(s), initial encounter
Billable / specific codeICD-10-CMright
S90.424A is a billable, specific ICD-10-CM code for blister (nonthermal), right lesser toe(s), initial encounter. It is valid for submission on a claim.
Check S90.424A 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 S90
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
S90.424A is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52438Billing and Coding: Tetanus Immunization
- A56459Billing and Coding: Debridement Services
- A56900Billing and Coding: Immunizations
Code history
Unchanged in every release from FY2024 to FY2027.