S02.1
ICD-10Non-billable categoryFracture of base of skull
Official ICD-10-CM descriptor (FY2026)
Fracture of base of skull
S02.1 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- lateral orbital wall (S02.84-)
- medial orbital wall (S02.83-)
- orbital floor (S02.3-)
ICD-10-CM FY2026 defines 4 codes beneath S02.1. See the ICD-10-CM index for what this site publishes.
Related codes in S02
- S02.0Fracture of vault of skullcategory
- S02.2Fracture of nasal bonescategory
- S02.3Fracture of orbital floorcategory
- S02.4Fracture of malar, maxillary and zygoma bonescategory
- S02.5Fracture of tooth (traumatic)category
- S02.6Fracture of mandiblecategory
- S02.8Fractures of other specified skull and facial bonescategory
- S02.9Fracture of unspecified skull and facial bonescategory
Where this code sits
- Parent code
- S02
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.