S09.90XS

S09.90XS: Unspecified injury of head, sequela

Billable / specific codeICD-10-CMPOA exempt

S09.90XS is a billable, specific ICD-10-CM code for unspecified injury of head, sequela. It is valid for submission on a claim.

Check S09.90XS with the rest of the claim: free scrubber

7th character "S": sequela

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.

brain injury NOS (S06.9-)
head injury NOS with loss of consciousness (S06.9-)
intracranial injury NOS (S06.9-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Head injury NOS

Excludes1 inherited from the categories above S09.90XS

A category’s note binds every code beneath it.

Written on S09.90: Unspecified injury of head

brain injury NOS (S06.9-)
head injury NOS with loss of consciousness (S06.9-)
intracranial injury NOS (S06.9-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

S09.90XS is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

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.