ICDwise
S83 ⚠ Non-billable

Dislocation and sprain of joints and ligaments of knee

ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes

Code
S83
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Official coding notes

From CMS's ICD-10-CM Tabular List.

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
Excludes2 — not included here, but may code together
  • 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
7th character
  • The appropriate 7th character is to be added to each code from category S83

Frequently asked questions

What is ICD-10 code S83?
ICD-10-CM code S83 represents Dislocation and sprain of joints and ligaments of knee. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S83 billable?
No. S83 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is S83 in?
S83 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.

Related codes in the S83 category

S83.0 Subluxation and dislocation of patella Non-billable S83.00 Unspecified subluxation and dislocation of patella Non-billable S83.01 Lateral subluxation and dislocation of patella Non-billable S83.001 Unspecified subluxation of right patella Non-billable S83.002 Unspecified subluxation of left patella Non-billable S83.003 Unspecified subluxation of unspecified patella Non-billable S83.004 Unspecified dislocation of right patella Non-billable S83.005 Unspecified dislocation of left patella Non-billable

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