ICD-10-CM S23: Dislocation and sprain of joints and ligaments of thorax

ICD-10-CM Diagnosis Code (2025)

Official Description for S23

Dislocation and sprain of joints and ligaments of thorax

Coding Notes & Guidelines for S23

Includes Notes
  • 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
Excludes1: Not Coded Here

rupture or displacement (nontraumatic) of thoracic intervertebral disc NOS (M51.- with fifth character 4)

Excludes2: Not Included Here
  • dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
  • strain of muscle or tendon of thorax (S29.01-)
Excludes2: Not Included Here

fracture of thoracic vertebrae (S22.0-)

Code Also

any associated open wound

Code Also
  • any associated:
  • open wound of thorax (S21.-)
  • spinal cord injury (S24.0-, S24.1-)
7th Character Guidance

The appropriate 7th character is to be added to each code from category S23

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for S23):

S23.0 - Traumatic rupture of thoracic intervertebral disc S23.1 - Subluxation and dislocation of thoracic vertebra S23.10 - Subluxation and dislocation of unspecified thoracic vertebra S23.100 - Subluxation of unspecified thoracic vertebra S23.101 - Dislocation of unspecified thoracic vertebra S23.11 - Subluxation and dislocation of T1/T2 thoracic vertebra S23.110 - Subluxation of T1/T2 thoracic vertebra S23.111 - Dislocation of T1/T2 thoracic vertebra S23.12 - Subluxation and dislocation of T2/T3-T3/T4 thoracic vertebra S23.120 - Subluxation of T2/T3 thoracic vertebra S23.121 - Dislocation of T2/T3 thoracic vertebra S23.122 - Subluxation of T3/T4 thoracic vertebra S23.123 - Dislocation of T3/T4 thoracic vertebra S23.13 - Subluxation and dislocation of T4/T5-T5/T6 thoracic vertebra S23.130 - Subluxation of T4/T5 thoracic vertebra S23.131 - Dislocation of T4/T5 thoracic vertebra S23.132 - Subluxation of T5/T6 thoracic vertebra S23.133 - Dislocation of T5/T6 thoracic vertebra S23.14 - Subluxation and dislocation of T6/T7-T7/T8 thoracic vertebra S23.140 - Subluxation of T6/T7 thoracic vertebra S23.141 - Dislocation of T6/T7 thoracic vertebra S23.142 - Subluxation of T7/T8 thoracic vertebra S23.143 - Dislocation of T7/T8 thoracic vertebra S23.15 - Subluxation and dislocation of T8/T9-T9/T10 thoracic vertebra S23.150 - Subluxation of T8/T9 thoracic vertebra S23.151 - Dislocation of T8/T9 thoracic vertebra S23.152 - Subluxation of T9/T10 thoracic vertebra S23.153 - Dislocation of T9/T10 thoracic vertebra S23.16 - Subluxation and dislocation of T10/T11-T11/T12 thoracic vertebra S23.160 - Subluxation of T10/T11 thoracic vertebra S23.161 - Dislocation of T10/T11 thoracic vertebra S23.162 - Subluxation of T11/T12 thoracic vertebra S23.163 - Dislocation of T11/T12 thoracic vertebra S23.17 - Subluxation and dislocation of T12/L1 thoracic vertebra S23.170 - Subluxation of T12/L1 thoracic vertebra S23.171 - Dislocation of T12/L1 thoracic vertebra S23.2 - Dislocation of other and unspecified parts of thorax S23.20 - Dislocation of unspecified part of thorax S23.29 - Dislocation of other parts of thorax S23.3 - Sprain of ligaments of thoracic spine S23.4 - Sprain of ribs and sternum S23.41 - Sprain of ribs S23.42 - Sprain of sternum S23.420 - Sprain of sternoclavicular (joint) (ligament) S23.421 - Sprain of chondrosternal joint S23.428 - Other sprain of sternum S23.429 - Unspecified sprain of sternum S23.8 - Sprain of other specified parts of thorax S23.9 - Sprain of unspecified parts of thorax

About ICD-10-CM Code S23 (Dislocation and sprain of joints and ligaments of thorax)

ICD-10-CM code S23 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM S23 became effective on October 1, 2024.

This page provides detailed information about S23 - Dislocation and sprain of joints and ligaments of thorax. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Dislocation and sprain of joints and ligaments of thorax.