MCMedicalCodingSoftware
S09.10XA

S09.10XA: Unspecified injury of muscle and tendon of head, initial encounter

Billable / specific codeICD-10-CM

S09.10XA is a billable, specific ICD-10-CM code for unspecified injury of muscle and tendon of head, initial encounter. It is valid for submission on a claim.

Check S09.10XA with the rest of the claim: free scrubber

7th 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

Inclusion terms

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

  • Injury of muscle and tendon of head NOS

Excludes2 inherited from the categories above S09.10XA

Not part of this code, but both may be coded when both are present.

Written on S09.1: Injury of muscle and tendon of head

  • sprain to joints and ligament of head (S03.9)

Risk adjustment

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

Medicare coverage

S09.10XA is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A58774Billing and Coding: Cosmetic and Reconstructive Surgery
  • A59299Billing and Coding: Cosmetic and Reconstructive Surgery

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S09.10

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.