S00.442A
S00.442A: External constriction of left ear, initial encounter
Billable / specific codeICD-10-CMleft
S00.442A is a billable, specific ICD-10-CM code for external constriction of left ear, initial encounter. It is valid for submission on a claim.
Check S00.442A 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 S00
- 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
S00.442A is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52438Billing and Coding: Tetanus Immunization
- A53058Billing and Coding: Home Health Physical Therapy
- A55909Billing and Coding: Wound Care
- A56459Billing and Coding: Debridement Services
Code history
Unchanged in every release from FY2024 to FY2027.