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ICD-10-CM · FY 2026 APRIL UPDATE

S12.23

Unspecified traumatic spondylolisthesis of third cervical 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
S12.230Unspecified traumatic displaced spondylolisthesis of third cervical vertebraCategory
S12.230AUnspecified traumatic displaced spondylolisthesis of third cervical vertebra, initial encounter for closed fractureBillable
S12.230BUnspecified traumatic displaced spondylolisthesis of third cervical vertebra, initial encounter for open fractureBillable
S12.230DUnspecified traumatic displaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with routine healingBillable
S12.230GUnspecified traumatic displaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with delayed healingBillable
S12.230KUnspecified traumatic displaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with nonunionBillable
S12.230SUnspecified traumatic displaced spondylolisthesis of third cervical vertebra, sequelaBillable
S12.231Unspecified traumatic nondisplaced spondylolisthesis of third cervical vertebraCategory
S12.231AUnspecified traumatic nondisplaced spondylolisthesis of third cervical vertebra, initial encounter for closed fractureBillable
S12.231BUnspecified traumatic nondisplaced spondylolisthesis of third cervical vertebra, initial encounter for open fractureBillable
S12.231DUnspecified traumatic nondisplaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with routine healingBillable
S12.231GUnspecified traumatic nondisplaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with delayed healingBillable
S12.231KUnspecified traumatic nondisplaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with nonunionBillable
S12.231SUnspecified traumatic nondisplaced spondylolisthesis of third cervical vertebra, sequelaBillable

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.