MCMCB Pro
S82.90XR

S82.90XRUnspecified fracture of unspecified lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

Billable / specific codeICD-10-CMPOA exemptunspecified

S82.90XR is a billable, specific ICD-10-CM code for unspecified fracture of unspecified lower leg, subsequent encounter for open fracture type iiia, iiib, or iiic with malunion. It is valid for submission on a claim.

7th character "R" — subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

The appropriate 7th character is to be added to all codes from category S82

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

S82.90XR 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

S82.90XR is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53058Billing and Coding: Home Health Physical Therapy

Related codes at this level

Codes that share S82.90. If S82.90XR is not quite right, the correct code is usually one of these.

Questions about S82.90XR

Is S82.90XR a billable ICD-10-CM code?
Yes. S82.90XR is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S82.90XR sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the knee and lower leg (S80-S89).
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.