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

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

Where does S79.109K 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).

S79.109K

S79.109K — Unspecified physeal fracture of lower end of unspecified femur, subsequent encounter for fracture with nonunion

Billable / specific codeICD-10-CMPOA exempt

S79.109K is a billable, specific ICD-10-CM code for unspecified physeal fracture of lower end of unspecified femur, subsequent encounter for fracture with nonunion. It is valid for submission on a claim.

7th character "K" — subsequent encounter for fracture with nonunion

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

S79.109K does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Related codes at this level

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

Questions about S79.109K

Is S79.109K a billable ICD-10-CM code?: Yes. S79.109K is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S79.109K 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).