S04.20XA
S04.20XA: Injury of trochlear nerve, unspecified side, initial encounter
Billable / specific codeICD-10-CMunspecified
S04.20XA is a billable, specific ICD-10-CM code for injury of trochlear nerve, unspecified side, initial encounter. It is valid for submission on a claim.
Check S04.20XA 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 S04
- 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
S04.20XA is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57637Billing and Coding: Visual Field Examination
Code history
Unchanged in every release from FY2024 to FY2027.