Convert to ICD-10-CM: 
824.9 converts approximately to:
- 2015/16 ICD-10-CM S82.899B Other fracture of unspecified lower leg, initial encounter for open fracture type I or IIOr: 
- 2015/16 ICD-10-CM S82.899C Other fracture of unspecified lower leg, initial encounter for open fracture type IIIA, IIIB, or IIIC
 ICD-9-CM Volume 2 Index entries containing back-references to 
824.9:
- Fracture (abduction) (adduction) (avulsion) (compression) (crush) (dislocation) (oblique) (separation) (closed) 829.0  ankle (malleolus) (closed) 824.8 ankle (malleolus) (closed) 824.8 
  fibula (closed) 823.81 fibula (closed) 823.81   with tibia 823.82 with tibia 823.82 
  distal end 824.8 distal end 824.8 
  epiphysis epiphysis   lower 824.8 lower 824.8 
   upper - see Fracture, fibula, upper end upper - see Fracture, fibula, upper end
 
  head - see Fracture, fibula, upper end head - see Fracture, fibula, upper end
  involving ankle 824.2 involving ankle 824.2 
  lower end or extremity 824.8 lower end or extremity 824.8 
  malleolus (external) (lateral) 824.2 malleolus (external) (lateral) 824.2 
  open NEC 823.91 open NEC 823.91 
  pathologic 733.16 pathologic 733.16 
  proximal end - see Fracture, fibula, upper end proximal end - see Fracture, fibula, upper end
  shaft 823.21 shaft 823.21 
  stress 733.93 stress 733.93 
  torus 823.41 torus 823.41 
  upper end or extremity (epiphysis) (head) (proximal end) (styloid) 823.01 upper end or extremity (epiphysis) (head) (proximal end) (styloid) 823.01 
 
  malleolus (closed) 824.8 malleolus (closed) 824.8   bimalleolar 824.4 bimalleolar 824.4 
  lateral 824.2 lateral 824.2    and medial - see also Fracture, malleolus, bimalleolar and medial - see also Fracture, malleolus, bimalleolar    with lip of tibia - see Fracture, malleolus, trimalleolar with lip of tibia - see Fracture, malleolus, trimalleolar
 
   open 824.3 open 824.3 
 
  medial (closed) 824.0 medial (closed) 824.0    and lateral - see also Fracture, malleolus, bimalleolar and lateral - see also Fracture, malleolus, bimalleolar    with lip of tibia - see Fracture, malleolus, trimalleolar with lip of tibia - see Fracture, malleolus, trimalleolar
 
   open 824.1 open 824.1 
 
  open 824.9 open 824.9
  trimalleolar (closed) 824.6 trimalleolar (closed) 824.6 
 
  tibia (closed) 823.80 tibia (closed) 823.80   with fibula 823.82 with fibula 823.82 
  condyles - see Fracture, tibia, upper end condyles - see Fracture, tibia, upper end
  distal end 824.8 distal end 824.8 
  epiphysis epiphysis   lower 824.8 lower 824.8 
   upper - see Fracture, tibia, upper end upper - see Fracture, tibia, upper end
 
  head (involving knee joint) - see Fracture, tibia, upper end head (involving knee joint) - see Fracture, tibia, upper end
  intercondyloid eminence - see Fracture, tibia, upper end intercondyloid eminence - see Fracture, tibia, upper end
  involving ankle 824.0 involving ankle 824.0 
  lower end or extremity (anterior lip) (posterior lip) 824.8 lower end or extremity (anterior lip) (posterior lip) 824.8 
  malleolus (internal) (medial) 824.0 malleolus (internal) (medial) 824.0 
  open NEC 823.90 open NEC 823.90 
  pathologic 733.16 pathologic 733.16 
  proximal end - see Fracture, tibia, upper end proximal end - see Fracture, tibia, upper end
  shaft 823.20 shaft 823.20 
  spine - see Fracture, tibia, upper end spine - see Fracture, tibia, upper end
  stress 733.93 stress 733.93 
  torus 823.40 torus 823.40 
  tuberosity - see Fracture, tibia, upper end tuberosity - see Fracture, tibia, upper end
  upper end or extremity (condyle) (epiphysis) (head) (spine) (proximal end) (tuberosity) 823.00 upper end or extremity (condyle) (epiphysis) (head) (spine) (proximal end) (tuberosity) 823.00