Convert to ICD-10-CM: 
820.9 converts approximately to:
- 2015/16 ICD-10-CM S72.009B Fracture of unspecified part of neck of unspecified femur, initial encounter for open fracture type I or IIOr: 
- 2015/16 ICD-10-CM S72.009C Fracture of unspecified part of neck of unspecified femur, initial encounter for open fracture type IIIA, IIIB, or IIIC
 ICD-9-CM Volume 2 Index entries containing back-references to 
820.9:
- Fracture (abduction) (adduction) (avulsion) (compression) (crush) (dislocation) (oblique) (separation) (closed) 829.0  femur, femoral (closed) 821.00 femur, femoral (closed) 821.00   cervicotrochanteric 820.03 cervicotrochanteric 820.03 
  condyles, epicondyles 821.21 condyles, epicondyles 821.21 
  distal end - see Fracture, femur, lower end distal end - see Fracture, femur, lower end
  epiphysis (separation) epiphysis (separation)
  head 820.09 head 820.09 
  lower end or extremity (distal end) (closed) 821.20 lower end or extremity (distal end) (closed) 821.20 
  neck (closed) 820.8 neck (closed) 820.8 
  open 821.10 open 821.10 
  pathologic 733.14 pathologic 733.14 
  peritrochanteric (section) 820.20 peritrochanteric (section) 820.20 
  shaft (lower third) (middle third) (upper third) 821.01 shaft (lower third) (middle third) (upper third) 821.01 
  subcapital 820.09 subcapital 820.09 
  subtrochanteric (region) (section) 820.22 subtrochanteric (region) (section) 820.22 
  supracondylar 821.23 supracondylar 821.23 
  transepiphyseal 820.01 transepiphyseal 820.01 
  trochanter (greater) (lesser) (see also Fracture, femur, neck, by site) 820.20 trochanter (greater) (lesser) (see also Fracture, femur, neck, by site) 820.20 
  T-shaped, into knee joint 821.21 T-shaped, into knee joint 821.21 
  upper end 820.8 upper end 820.8 
 
  hip (closed) (see also Fracture, femur, neck) 820.8 hip (closed) (see also Fracture, femur, neck) 820.8