S83.105A Unspecified dislocation of left knee, initial encounter

Instructional Notes:

S83.105A
Description: Unspecified dislocation of left knee, initial encounter
↓
S83.105
Description: Unspecified dislocation of left knee
↓
S83.10
Description: Unspecified subluxation and dislocation of knee
↓
S83.1
Description: Subluxation and dislocation of knee
Exclude2:
- instability of knee prosthesis (T84.022, T84.023)
↓
S83
Description: Dislocation and sprain of joints and ligaments of knee
Exclude2:
- derangement of patella (M22.0-M22.3)
- injury of patellar ligament (tendon) (S76.1-)
- internal derangement of knee (M23.-)
- old dislocation of knee (M24.36)
- pathological dislocation of knee (M24.36)
- recurrent dislocation of knee (M22.0)
- strain of muscle, fascia and tendon of lower leg (S86.-)
Include:
- avulsion of joint or ligament of knee
- laceration of cartilage, joint or ligament of knee
- sprain of cartilage, joint or ligament of knee
- traumatic hemarthrosis of joint or ligament of knee
- traumatic rupture of joint or ligament of knee
- traumatic subluxation of joint or ligament of knee
- traumatic tear of joint or ligament of knee
Code Also: ['any associated open wound']
↓
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.-)