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ICD-10-CM · FY 2026 APRIL UPDATE

S12.11

Type II dens fracture

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
S12.110Anterior displaced Type II dens fractureCategory
S12.110AAnterior displaced Type II dens fracture, initial encounter for closed fractureBillable
S12.110BAnterior displaced Type II dens fracture, initial encounter for open fractureBillable
S12.110DAnterior displaced Type II dens fracture, subsequent encounter for fracture with routine healingBillable
S12.110GAnterior displaced Type II dens fracture, subsequent encounter for fracture with delayed healingBillable
S12.110KAnterior displaced Type II dens fracture, subsequent encounter for fracture with nonunionBillable
S12.110SAnterior displaced Type II dens fracture, sequelaBillable
S12.111Posterior displaced Type II dens fractureCategory
S12.111APosterior displaced Type II dens fracture, initial encounter for closed fractureBillable
S12.111BPosterior displaced Type II dens fracture, initial encounter for open fractureBillable
S12.111DPosterior displaced Type II dens fracture, subsequent encounter for fracture with routine healingBillable
S12.111GPosterior displaced Type II dens fracture, subsequent encounter for fracture with delayed healingBillable
S12.111KPosterior displaced Type II dens fracture, subsequent encounter for fracture with nonunionBillable
S12.111SPosterior displaced Type II dens fracture, sequelaBillable
S12.112Nondisplaced Type II dens fractureCategory
S12.112ANondisplaced Type II dens fracture, initial encounter for closed fractureBillable
S12.112BNondisplaced Type II dens fracture, initial encounter for open fractureBillable
S12.112DNondisplaced Type II dens fracture, subsequent encounter for fracture with routine healingBillable
S12.112GNondisplaced Type II dens fracture, subsequent encounter for fracture with delayed healingBillable
S12.112KNondisplaced Type II dens fracture, subsequent encounter for fracture with nonunionBillable
S12.112SNondisplaced Type II dens fracture, 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.