S99.0
ICD-10Non-billable categoryPhyseal fracture of calcaneus
Official ICD-10-CM descriptor (FY2026)
Physeal fracture of calcaneus
S99.0 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.
7th character
- The appropriate 7th character is to be added to each code from subcategories S99.0
Permitted 7th characters
| A | initial encounter for closed fracture |
| B | initial encounter for open fracture |
| D | subsequent encounter for fracture with routine healing |
| G | subsequent encounter for fracture with delayed healing |
| K | subsequent encounter for fracture with nonunion |
| P | subsequent encounter for fracture with malunion |
| S | sequela |
ICD-10-CM FY2026 defines 6 codes beneath S99.0. See the ICD-10-CM index for what this site publishes.
Related codes in S99
Where this code sits
- Parent code
- S99
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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.