S82.153N Displaced fracture of unspecified tibial tuberosity, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion
Billable ICD-10-CM code, FY2026.
Built from S82.153 with 7th character N (subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion).
Applies from S82 Fracture of lower leg, including ankle
Includes
fracture of malleolus
Excludes1 (never code together)
traumatic amputation of lower leg (S88.-)
Excludes2 (not included here)
fracture of foot, except ankle (S92.-)
periprosthetic fracture around internal prosthetic ankle joint (M97.2)
periprosthetic fracture around internal prosthetic implant of knee joint (M97.1-)
7th character note
The appropriate 7th character is to be added to all codes from category S82
Notes
A fracture not indicated as displaced or nondisplaced should be coded to displaced
A fracture not indicated as open or closed should be coded to closed
The open fracture designations are based on the Gustilo open fracture classification
7th character required
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
Applies from S82.1 Fracture of upper end of tibia
Applicable to
Fracture of proximal end of tibia
Excludes2 (not included here)
fracture of shaft of tibia (S82.2-)
physeal fracture of upper end of tibia (S89.0-)
Medicare Code Edits (MCE v43.1 (April 2026))
Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.
Code annotations containing back-references to S82.153N
Back-references to S82
Type 2 Excludes: M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")
Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
Type 2 Excludes: S72 Fracture of femur ("fracture of lower leg and ankle (S82.-)")
Type 1 Excludes: S81 Open wound of knee and lower leg ("open fracture of knee and lower leg (S82.-)")
Type 2 Excludes: S92 Fracture of foot and toe, except ankle ("fracture of ankle (S82.-)")
Type 2 Excludes: S92 Fracture of foot and toe, except ankle ("fracture of malleolus (S82.-)")
Nearby codes
S82.153G Displaced fracture of unspecified tibial tuberosity, subsequent encounter for closed fracture with delayed healing
S82.153H Displaced fracture of unspecified tibial tuberosity, subsequent encounter for open fracture type I or II with delayed healing
S82.153J Displaced fracture of unspecified tibial tuberosity, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
S82.153K Displaced fracture of unspecified tibial tuberosity, subsequent encounter for closed fracture with nonunion
S82.153M Displaced fracture of unspecified tibial tuberosity, subsequent encounter for open fracture type I or II with nonunion
S82.153N Displaced fracture of unspecified tibial tuberosity, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion (this code)
S82.153P Displaced fracture of unspecified tibial tuberosity, subsequent encounter for closed fracture with malunion
S82.153Q Displaced fracture of unspecified tibial tuberosity, subsequent encounter for open fracture type I or II with malunion
S82.153R Displaced fracture of unspecified tibial tuberosity, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
S82.153S Displaced fracture of unspecified tibial tuberosity, sequela
S82.154 Nondisplaced fracture of right tibial tuberosity