ICD-9-CM diagnosis code (retired)
820.31 — Open fracture of intertrochanteric section of neck of femur
About ICD-9-CM 820.31
820.31 is an ICD-9-CM diagnosis code for open fracture of intertrochanteric section of neck of femur. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to 4 ICD-10-CM codes, such as S72.143B (Displaced intertrochanteric fracture of unspecified femur, initial encounter for open fracture type I or II), S72.143C (Displaced intertrochanteric fracture of unspecified femur, initial encounter for open fracture type IIIA, IIIB, or IIIC) and S72.146B (Nondisplaced intertrochanteric fracture of unspecified femur, initial encounter for open fracture type I or II). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- S72.143BDisplaced intertrochanteric fracture of unspecified femur, initial encounter for open fracture type I or IIapproximate
- S72.143CDisplaced intertrochanteric fracture of unspecified femur, initial encounter for open fracture type IIIA, IIIB, or IIICapproximate
- S72.146BNondisplaced intertrochanteric fracture of unspecified femur, initial encounter for open fracture type I or IIapproximate
- S72.146CNondisplaced intertrochanteric fracture of unspecified femur, initial encounter for open fracture type IIIA, IIIB, or IIICapproximate
Common questions about 820.31
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.