Open wound of hip and thigh Excludes1open fracture of hip and thigh (S72.-)traumatic amputation of hip and thigh (S78.-)Excludes2bite of venomous animal (T63.-)open wound of ankle, foot and toes (S91.-)open wound of knee and lower leg (S81.-)The appropriate 7th character is to be added to each code from category S71A - initial encounterD - subsequent encounterS - sequela