S80.242D External constriction, left knee, subsequent encounter

Instructional Notes:

S80.242D
Description: External constriction, left knee, subsequent encounter
↓
S80.242
Description: External constriction, left knee
↓
S80.24
Description: External constriction of knee
↓
S80.2
Description: Other superficial injuries of knee
↓
S80
Description: Superficial injury of knee and lower leg
Exclude2:
- superficial injury of ankle and foot (S90.-)
↓
S80-S89
Description: Injuries to the knee and lower leg (S80-S89)
Exclude2:
- burns and corrosions (T20-T32)
- frostbite (T33-T34)
- injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
- insect bite or sting, venomous (T63.4)
↓
S00-T88
Description: Injury, poisoning and certain other consequences of external causes
Exclude2:
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Notes:
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Use Additional Code:
- code to identify any retained foreign body, if applicable (Z18.-)