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ICD-10-CM · FY 2026 APRIL UPDATE

S23.1

Subluxation and dislocation of thoracic vertebra

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
S23.10Subluxation and dislocation of unspecified thoracic vertebraCategory
S23.100Subluxation of unspecified thoracic vertebraCategory
S23.100ASubluxation of unspecified thoracic vertebra, initial encounterBillable
S23.100DSubluxation of unspecified thoracic vertebra, subsequent encounterBillable
S23.100SSubluxation of unspecified thoracic vertebra, sequelaBillable
S23.101Dislocation of unspecified thoracic vertebraCategory
S23.101ADislocation of unspecified thoracic vertebra, initial encounterBillable
S23.101DDislocation of unspecified thoracic vertebra, subsequent encounterBillable
S23.101SDislocation of unspecified thoracic vertebra, sequelaBillable
S23.11Subluxation and dislocation of T1/T2 thoracic vertebraCategory
S23.110Subluxation of T1/T2 thoracic vertebraCategory
S23.110ASubluxation of T1/T2 thoracic vertebra, initial encounterBillable
S23.110DSubluxation of T1/T2 thoracic vertebra, subsequent encounterBillable
S23.110SSubluxation of T1/T2 thoracic vertebra, sequelaBillable
S23.111Dislocation of T1/T2 thoracic vertebraCategory
S23.111ADislocation of T1/T2 thoracic vertebra, initial encounterBillable
S23.111DDislocation of T1/T2 thoracic vertebra, subsequent encounterBillable
S23.111SDislocation of T1/T2 thoracic vertebra, sequelaBillable
S23.12Subluxation and dislocation of T2/T3-T3/T4 thoracic vertebraCategory
S23.120Subluxation of T2/T3 thoracic vertebraCategory
S23.120ASubluxation of T2/T3 thoracic vertebra, initial encounterBillable
S23.120DSubluxation of T2/T3 thoracic vertebra, subsequent encounterBillable
S23.120SSubluxation of T2/T3 thoracic vertebra, sequelaBillable
S23.121Dislocation of T2/T3 thoracic vertebraCategory
S23.121ADislocation of T2/T3 thoracic vertebra, initial encounterBillable
S23.121DDislocation of T2/T3 thoracic vertebra, subsequent encounterBillable
S23.121SDislocation of T2/T3 thoracic vertebra, sequelaBillable
S23.122Subluxation of T3/T4 thoracic vertebraCategory
S23.122ASubluxation of T3/T4 thoracic vertebra, initial encounterBillable
S23.122DSubluxation of T3/T4 thoracic vertebra, subsequent encounterBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

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ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.