S09.90XA
S09.90XA: Unspecified injury of head, initial encounter
Billable / specific codeICD-10-CM
S09.90XA is a billable, specific ICD-10-CM code for unspecified injury of head, initial encounter. It is valid for submission on a claim.
Check S09.90XA 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 S09
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Head injury NOS
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
S09.90XA is named in 5 Medicare coverage policies: 4 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A57497Billing and Coding: Chest X-Ray Policynot covered
- A56612Billing and Coding: CT of the Head
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Code history
Unchanged in every release from FY2024 to FY2027.