S82 Fracture of lower leg, including ankle

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

Fracture of malleolus

Traumatic amputation of lower leg (S88.-)

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-)

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