S13.120A
S13.120A: Subluxation of C1/C2 cervical vertebrae, initial encounter
Billable / specific codeICD-10-CM
S13.120A is a billable, specific ICD-10-CM code for subluxation of c1/c2 cervical vertebrae, initial encounter. It is valid for submission on a claim.
Check S13.120A 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 S13
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2 inherited from the categories above S13.120A
Not part of this code, but both may be coded when both are present.
Written on S13.1: Subluxation and dislocation of cervical vertebrae
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
S13.120A is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A57311Billing and Coding: Physical Therapy - Home Health
Code history
Unchanged in every release from FY2024 to FY2027.