Is S83.193S a billable ICD-10-CM code?

Yes. S83.193S is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S83.193S 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).

S83.193S

S83.193S — Other subluxation of unspecified knee, sequela

Billable / specific codeICD-10-CMPOA exemptunspecified

S83.193S is a billable, specific ICD-10-CM code for other subluxation of unspecified knee, sequela. It is valid for submission on a claim.

7th character "S" — sequela

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 S83.193S

Also inherited, and the opposite of Excludes1: these conditions are not part of S83.193S, but a patient can have both, so you may code both.

Written on S83.1 — Subluxation and dislocation of knee

instability of knee prosthesis (T84.022, T84.023)

Written on S83 — Dislocation and sprain of joints and ligaments of knee

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.-)

Risk adjustment

S83.193S 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

S83.193S 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 S83.193. If S83.193S is not quite right, the correct code is usually one of these.

Questions about S83.193S

Is S83.193S a billable ICD-10-CM code?: Yes. S83.193S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S83.193S 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).