MCMCB Pro
S52.502J

S52.502JUnspecified fracture of the lower end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

Billable / specific codeICD-10-CMPOA exemptleft

S52.502J is a billable, specific ICD-10-CM code for unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type iiia, iiib, or iiic with delayed healing. It is valid for submission on a claim.

7th character "J" — subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

The appropriate 7th character is to be added to all codes from category S52

A
initial encounter for closed fracture
B
initial encounter for open fracture type I or II
C
initial encounter for open fracture type IIIA, IIIB, or IIIC
D
subsequent encounter for closed fracture with routine healing
E
subsequent encounter for open fracture type I or II with routine healing
F
subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing
G
subsequent encounter for closed fracture with delayed healing
H
subsequent encounter for open fracture type I or II with delayed healing
J
subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
K
subsequent encounter for closed fracture with nonunion
M
subsequent encounter for open fracture type I or II with nonunion
N
subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion
P
subsequent encounter for closed fracture with malunion
Q
subsequent encounter for open fracture type I or II with malunion
R
subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
S
sequela

Risk adjustment

S52.502J 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.

Medicare coverage

S52.502J is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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Related codes at this level

Codes that share S52.502. If S52.502J is not quite right, the correct code is usually one of these.

Questions about S52.502J

Is S52.502J a billable ICD-10-CM code?
Yes. S52.502J is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S52.502J 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.