S83.116A — Anterior dislocation of proximal end of tibia, unspecified knee, initial encounter
S83.116A is a billable, specific ICD-10-CM code for anterior dislocation of proximal end of tibia, unspecified knee, initial encounter. It is valid for submission on a claim.
7th character "A" — initial encounter
The appropriate 7th character is to be added to each code from category S83
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2 inherited from the categories above S83.116A
Also inherited, and the opposite of Excludes1: these conditions are not part of S83.116A, but a patient can have both, so you may code both.
Written on S83.1 — Subluxation and dislocation of knee
Written on S83 — Dislocation and sprain of joints and ligaments of knee
Risk adjustment
S83.116A does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code history
S83.116A has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share S83.116. If S83.116A is not quite right, the correct code is usually one of these.
Questions about S83.116A
- Is S83.116A a billable ICD-10-CM code?
- Yes. S83.116A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S83.116A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the knee and lower leg (S80-S89).