S23.101A Dislocation of unspecified thoracic vertebra, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S23.101 with 7th character A (initial encounter).

Applies from S23 Dislocation and sprain of joints and ligaments of thorax

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)

• 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 note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from S23.1 Subluxation and dislocation of thoracic vertebra

Excludes2 (not included here)

• fracture of thoracic vertebrae (S22.0-)

Code also

• any associated:
• open wound of thorax (S21.-)
• spinal cord injury (S24.0-, S24.1-)

Diagnosis Index entries for S23.101A

• Dislocation (articular) › vertebra (articular process) (body) (traumatic) › thoracic

Nearby codes

• S23.100 Subluxation of unspecified thoracic vertebra
• S23.100A Subluxation of unspecified thoracic vertebra, initial encounter
• S23.100D Subluxation of unspecified thoracic vertebra, subsequent encounter
• S23.100S Subluxation of unspecified thoracic vertebra, sequela
• S23.101 Dislocation of unspecified thoracic vertebra
• S23.101A Dislocation of unspecified thoracic vertebra, initial encounter (this code)
• S23.101D Dislocation of unspecified thoracic vertebra, subsequent encounter
• S23.101S Dislocation of unspecified thoracic vertebra, sequela
• S23.11 Subluxation and dislocation of T1/T2 thoracic vertebra
• S23.110 Subluxation of T1/T2 thoracic vertebra
• S23.110A Subluxation of T1/T2 thoracic vertebra, initial encounter