ICDwise
S23 ⚠ Non-billable

Dislocation and sprain of joints and ligaments of thorax

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

Code
S23
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 thorax
  • laceration of cartilage, joint or ligament of thorax
  • sprain of cartilage, joint or ligament of thorax
  • traumatic hemarthrosis of joint or ligament of thorax
  • traumatic rupture of joint or ligament of thorax
  • traumatic subluxation of joint or ligament of thorax
  • traumatic tear of joint or ligament of thorax
Excludes2 — not included here, but may code together
  • dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
  • strain of muscle or tendon of thorax (S29.01-)
Code also
  • any associated open wound
7th character
  • The appropriate 7th character is to be added to each code from category S23

Frequently asked questions

What is ICD-10 code S23?
ICD-10-CM code S23 represents Dislocation and sprain of joints and ligaments of thorax. 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 S23 billable?
No. S23 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is S23 in?
S23 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.

Related codes in the S23 category

S23.0 Traumatic rupture of thoracic intervertebral disc Non-billable S23.1 Subluxation and dislocation of thoracic vertebra Non-billable S23.10 Subluxation and dislocation of unspecified thoracic vertebra Non-billable S23.11 Subluxation and dislocation of T1/T2 thoracic vertebra Non-billable S23.12 Subluxation and dislocation of T2/T3-T3/T4 thoracic vertebra Non-billable S23.13 Subluxation and dislocation of T4/T5-T5/T6 thoracic vertebra Non-billable S23.100 Subluxation of unspecified thoracic vertebra Non-billable S23.101 Dislocation of unspecified thoracic vertebra Non-billable

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