S81.009A Unspecified open wound, unspecified knee, initial encounter
Instructional Notes:
S81.009A Description: Unspecified open wound, unspecified knee, initial encounter ↓
S81.009 Description: Unspecified open wound, unspecified knee ↓
S81.00 Description: Unspecified open wound of knee ↓
S81.0 Description: Open wound of knee ↓
S81 Description: Open wound of knee and lower leg Exclude1:
open fracture of knee and lower leg (S82.-)
traumatic amputation of lower leg (S88.-)
Exclude2:
open wound of ankle and foot (S91.-)
Code Also: ['any associated wound infection'] ↓
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.-)