Is S79.109A a billable ICD-10-CM code?

Yes. S79.109A is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S79.109A sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the hip and thigh (S70-S79).

S79.109A

S79.109A — Unspecified physeal fracture of lower end of unspecified femur, initial encounter for closed fracture

Billable / specific codeICD-10-CM

S79.109A is a billable, specific ICD-10-CM code for unspecified physeal fracture of lower end of unspecified femur, initial encounter for closed fracture. It is valid for submission on a claim.

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

S79.109A 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.

Code history

S79.109A has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share S79.109. If S79.109A is not quite right, the correct code is usually one of these.

Questions about S79.109A

Is S79.109A a billable ICD-10-CM code?: Yes. S79.109A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S79.109A sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the hip and thigh (S70-S79).