Fracture of lower leg, including ankle Note: A fracture not indicated as displaced or nondisplaced should be coded to displacedA fracture not indicated as open or closed should be coded to closedThe open fracture designations are based on the Gustilo open fracture classificationIncludes:fracture of malleolusExcludes1traumatic amputation of lower leg (S88.-)Excludes2fracture 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 S82A - initial encounter for closed fractureB - initial encounter for open fracture type I or IIC - initial encounter for open fracture type IIIA, IIIB, or IIICD - subsequent encounter for closed fracture with routine healingE - subsequent encounter for open fracture type I or II with routine healingF - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingG - subsequent encounter for closed fracture with delayed healingH - subsequent encounter for open fracture type I or II with delayed healingJ - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingK - subsequent encounter for closed fracture with nonunionM - subsequent encounter for open fracture type I or II with nonunionN - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionP - subsequent encounter for closed fracture with malunionQ - subsequent encounter for open fracture type I or II with malunionR - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS - sequela