ICD-10-CM › S72 › S72.1 › S72.13 › S72.133 S72.133N Displaced apophyseal fracture of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionBillable ICD-10-CM code, FY2026.
Built from S72.133 with 7th character N (subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion).
Applies from S72 Fracture of femur Excludes1 (never code together) traumatic amputation of hip and thigh (S78.-) Excludes2 (not included here) fracture of lower leg and ankle (S82.-) fracture of foot (S92.-) periprosthetic fracture of prosthetic implant of hip (M97.0-) 7th character note The appropriate 7th character is to be added to all codes from category S72 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 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 — sequelaApplies from S72.13 Apophyseal fracture of femur Excludes1 (never code together) chronic (nontraumatic) slipped upper femoral epiphysis (M93.0-) 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 S72.133N Back-references to S72.13 Type 1 Excludes: S79.0 Back-references to S72 Type 1 Excludes: M84.3 Type 1 Excludes: M84.4 Type 1 Excludes: S71 Nearby codes S72.133GS72.133HS72.133JS72.133KS72.133MS72.133N Displaced apophyseal fracture of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion (this code)S72.133PS72.133QS72.133RS72.133SS72.134