MCMCB Pro
S59.139A

S59.139ASalter-Harris Type III physeal fracture of upper end of radius, unspecified arm, initial encounter for closed fracture

Billable / specific codeICD-10-CMunspecified

S59.139A is a billable, specific ICD-10-CM code for salter-harris type iii physeal fracture of upper end of radius, unspecified arm, 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 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

S59.139A 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 S59.139. If S59.139A is not quite right, the correct code is usually one of these.

Questions about S59.139A

Is S59.139A a billable ICD-10-CM code?
Yes. S59.139A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S59.139A 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).
ICD-10-CMFY2026-Apr· effective April 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.