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ICD-10-CM · FY 2026 APRIL UPDATE

S12.03

Posterior arch fracture of first 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
S12.030Displaced posterior arch fracture of first cervical vertebraCategory
S12.030ADisplaced posterior arch fracture of first cervical vertebra, initial encounter for closed fractureBillable
S12.030BDisplaced posterior arch fracture of first cervical vertebra, initial encounter for open fractureBillable
S12.030DDisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with routine healingBillable
S12.030GDisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with delayed healingBillable
S12.030KDisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with nonunionBillable
S12.030SDisplaced posterior arch fracture of first cervical vertebra, sequelaBillable
S12.031Nondisplaced posterior arch fracture of first cervical vertebraCategory
S12.031ANondisplaced posterior arch fracture of first cervical vertebra, initial encounter for closed fractureBillable
S12.031BNondisplaced posterior arch fracture of first cervical vertebra, initial encounter for open fractureBillable
S12.031DNondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with routine healingBillable
S12.031GNondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with delayed healingBillable
S12.031KNondisplaced posterior arch fracture of first cervical vertebra, subsequent encounter for fracture with nonunionBillable
S12.031SNondisplaced posterior arch fracture of first 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.