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ICD-10-CM · FY 2026 APRIL UPDATE

S12.55

Other traumatic spondylolisthesis of sixth 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
S12.550Other traumatic displaced spondylolisthesis of sixth cervical vertebraCategory
S12.550AOther traumatic displaced spondylolisthesis of sixth cervical vertebra, initial encounter for closed fractureBillable
S12.550BOther traumatic displaced spondylolisthesis of sixth cervical vertebra, initial encounter for open fractureBillable
S12.550DOther traumatic displaced spondylolisthesis of sixth cervical vertebra, subsequent encounter for fracture with routine healingBillable
S12.550GOther traumatic displaced spondylolisthesis of sixth cervical vertebra, subsequent encounter for fracture with delayed healingBillable
S12.550KOther traumatic displaced spondylolisthesis of sixth cervical vertebra, subsequent encounter for fracture with nonunionBillable
S12.550SOther traumatic displaced spondylolisthesis of sixth cervical vertebra, sequelaBillable
S12.551Other traumatic nondisplaced spondylolisthesis of sixth cervical vertebraCategory
S12.551AOther traumatic nondisplaced spondylolisthesis of sixth cervical vertebra, initial encounter for closed fractureBillable
S12.551BOther traumatic nondisplaced spondylolisthesis of sixth cervical vertebra, initial encounter for open fractureBillable
S12.551DOther traumatic nondisplaced spondylolisthesis of sixth cervical vertebra, subsequent encounter for fracture with routine healingBillable
S12.551GOther traumatic nondisplaced spondylolisthesis of sixth cervical vertebra, subsequent encounter for fracture with delayed healingBillable
S12.551KOther traumatic nondisplaced spondylolisthesis of sixth cervical vertebra, subsequent encounter for fracture with nonunionBillable
S12.551SOther traumatic nondisplaced spondylolisthesis of sixth 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.