Is S83.8X a billable ICD-10-CM code?

No. S83.8X is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does S83.8X 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).

S83.8X

S83.8X — Sprain of other specified parts of knee

Non-billable headerICD-10-CM

S83.8X is a non-billable header ICD-10-CM code for sprain of other specified parts of knee. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

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 S83.8X

Also inherited, and the opposite of Excludes1: these conditions are not part of S83.8X, but a patient can have both, so you may code both.

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

S83.8X 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

S83.8X has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead S83.8X

3 child codes. Green means billable.

Questions about S83.8X

Is S83.8X a billable ICD-10-CM code?: No. S83.8X is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does S83.8X 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).