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ICD-10-CM · FY 2026 APRIL UPDATE

S33.1

Subluxation and dislocation of lumbar 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
S33.10Subluxation and dislocation of unspecified lumbar vertebraCategory
S33.100Subluxation of unspecified lumbar vertebraCategory
S33.100ASubluxation of unspecified lumbar vertebra, initial encounterBillable
S33.100DSubluxation of unspecified lumbar vertebra, subsequent encounterBillable
S33.100SSubluxation of unspecified lumbar vertebra, sequelaBillable
S33.101Dislocation of unspecified lumbar vertebraCategory
S33.101ADislocation of unspecified lumbar vertebra, initial encounterBillable
S33.101DDislocation of unspecified lumbar vertebra, subsequent encounterBillable
S33.101SDislocation of unspecified lumbar vertebra, sequelaBillable
S33.11Subluxation and dislocation of L1/L2 lumbar vertebraCategory
S33.110Subluxation of L1/L2 lumbar vertebraCategory
S33.110ASubluxation of L1/L2 lumbar vertebra, initial encounterBillable
S33.110DSubluxation of L1/L2 lumbar vertebra, subsequent encounterBillable
S33.110SSubluxation of L1/L2 lumbar vertebra, sequelaBillable
S33.111Dislocation of L1/L2 lumbar vertebraCategory
S33.111ADislocation of L1/L2 lumbar vertebra, initial encounterBillable
S33.111DDislocation of L1/L2 lumbar vertebra, subsequent encounterBillable
S33.111SDislocation of L1/L2 lumbar vertebra, sequelaBillable
S33.12Subluxation and dislocation of L2/L3 lumbar vertebraCategory
S33.120Subluxation of L2/L3 lumbar vertebraCategory
S33.120ASubluxation of L2/L3 lumbar vertebra, initial encounterBillable
S33.120DSubluxation of L2/L3 lumbar vertebra, subsequent encounterBillable
S33.120SSubluxation of L2/L3 lumbar vertebra, sequelaBillable
S33.121Dislocation of L2/L3 lumbar vertebraCategory
S33.121ADislocation of L2/L3 lumbar vertebra, initial encounterBillable
S33.121DDislocation of L2/L3 lumbar vertebra, subsequent encounterBillable
S33.121SDislocation of L2/L3 lumbar vertebra, sequelaBillable
S33.13Subluxation and dislocation of L3/L4 lumbar vertebraCategory
S33.130Subluxation of L3/L4 lumbar vertebraCategory
S33.130ASubluxation of L3/L4 lumbar vertebra, initial 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.

Open official CMS files

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