Is S59.109 a billable ICD-10-CM code?

No. S59.109 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does S59.109 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the elbow and forearm (S50-S59).

S59.109

S59.109 — Unspecified physeal fracture of upper end of radius, unspecified arm

Non-billable headerICD-10-CMunspecified

S59.109 is a non-billable header ICD-10-CM code for unspecified physeal fracture of upper end of radius, unspecified arm. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from subcategories S59.0, S59.1, and S59.2

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

S59.109 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.

Code to one of these instead S59.109

6 child codes. Green means billable.

Related codes at this level

Codes that share S59.10. If S59.109 is not quite right, the correct code is usually one of these.

Questions about S59.109

Is S59.109 a billable ICD-10-CM code?: No. S59.109 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does S59.109 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the elbow and forearm (S50-S59).