ICD-10-CM › S00-T88 › S80-S89 › S83.104 Unspecified dislocation of right knee › S83.104A
Unspecified dislocation of right knee, initial encounter
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Unspecified dislocation of right knee, initial encounter
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from S83 Dislocation and sprain of joints and ligaments of knee
Seventh character required
- The appropriate 7th character is to be added to each code from category S83
Excludes2 - not included here
- 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.-)
Code also
- any associated open wound
Includes
- 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
Inherited from the S80-S89 section Injuries to the knee and lower leg (S80-S89)
Excludes2 - not included here
- 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)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Dislocation > partial
- Dislocation > incomplete
- Complex > jumped process, spine
- Dislocation > thorax > vertebra
- Dislocation > vertebra > partial
- Displacement, displaced > intervertebral disc NEC > due to trauma
- Subluxation > knee
Codes in the same group
| Code | Description | Status |
|---|---|---|
| S83.104D | Unspecified dislocation of right knee, subsequent encounter | Valid |
| S83.104S | Unspecified dislocation of right knee, sequela | Valid |