S89

ICD-10Non-billable category

Other and unspecified injuries of lower leg

Official ICD-10-CM descriptor (FY2026)

Other and unspecified injuries of lower leg

S89 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.

  • other and unspecified injuries of ankle and foot (S99.-)

Notes

  • A fracture not indicated as open or closed should be coded to closed

7th character

  • The appropriate 7th character is to be added to each code from subcategories S89.0, S89.1, S89.2, and S89.3

Permitted 7th characters

Ainitial encounter for closed fracture
Dsubsequent encounter for fracture with routine healing
Gsubsequent encounter for fracture with delayed healing
Ksubsequent encounter for fracture with nonunion
Psubsequent encounter for fracture with malunion
Ssequela

More specific codes under S89

Where this code sits

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Source

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.

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