MCMedicalCodingSoftware
S79.131A

S79.131A: Salter-Harris Type III physeal fracture of lower end of right femur, initial encounter for closed fracture

Billable / specific codeICD-10-CMright

S79.131A is a billable, specific ICD-10-CM code for salter-harris type iii physeal fracture of lower end of right femur, initial encounter for closed fracture. It is valid for submission on a claim.

Check S79.131A with the rest of the claim: free scrubber

7th character "A": initial encounter for closed fracture

The appropriate 7th character is to be added to each code from subcategories S79.0 and S79.1

A
initial encounter for closed fracture
D
subsequent encounter for fracture with routine healing
G
subsequent encounter for fracture with delayed healing
K
subsequent encounter for fracture with nonunion
P
subsequent encounter for fracture with malunion
S
sequela

Risk adjustment

S79.131A risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 402 Hip Fracture/Dislocation0.467 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

S79.131A is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52465Knee Orthoses - Policy Article
  • A56777Billing and Coding: Total Joint Arthroplasty
  • A57311Billing and Coding: Physical Therapy - Home Health

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S79.131

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.