Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

S02.1

Fracture of base of skull

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
S02.10Unspecified fracture of base of skullCategory
S02.101Fracture of base of skull, right sideCategory
S02.101AFracture of base of skull, right side, initial encounter for closed fractureBillable
S02.101BFracture of base of skull, right side, initial encounter for open fractureBillable
S02.101DFracture of base of skull, right side, subsequent encounter for fracture with routine healingBillable
S02.101GFracture of base of skull, right side, subsequent encounter for fracture with delayed healingBillable
S02.101KFracture of base of skull, right side, subsequent encounter for fracture with nonunionBillable
S02.101SFracture of base of skull, right side, sequelaBillable
S02.102Fracture of base of skull, left sideCategory
S02.102AFracture of base of skull, left side, initial encounter for closed fractureBillable
S02.102BFracture of base of skull, left side, initial encounter for open fractureBillable
S02.102DFracture of base of skull, left side, subsequent encounter for fracture with routine healingBillable
S02.102GFracture of base of skull, left side, subsequent encounter for fracture with delayed healingBillable
S02.102KFracture of base of skull, left side, subsequent encounter for fracture with nonunionBillable
S02.102SFracture of base of skull, left side, sequelaBillable
S02.109Fracture of base of skull, unspecified sideCategory
S02.109AFracture of base of skull, unspecified side, initial encounter for closed fractureBillable
S02.109BFracture of base of skull, unspecified side, initial encounter for open fractureBillable
S02.109DFracture of base of skull, unspecified side, subsequent encounter for fracture with routine healingBillable
S02.109GFracture of base of skull, unspecified side, subsequent encounter for fracture with delayed healingBillable
S02.109KFracture of base of skull, unspecified side, subsequent encounter for fracture with nonunionBillable
S02.109SFracture of base of skull, unspecified side, sequelaBillable
S02.11Fracture of occiputCategory
S02.110Type I occipital condyle fracture, unspecified sideCategory
S02.110AType I occipital condyle fracture, unspecified side, initial encounter for closed fractureBillable
S02.110BType I occipital condyle fracture, unspecified side, initial encounter for open fractureBillable
S02.110DType I occipital condyle fracture, unspecified side, subsequent encounter for fracture with routine healingBillable
S02.110GType I occipital condyle fracture, unspecified side, subsequent encounter for fracture with delayed healingBillable
S02.110KType I occipital condyle fracture, unspecified side, subsequent encounter for fracture with nonunionBillable
S02.110SType I occipital condyle fracture, unspecified side, 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.