All ICD10 Codes
S85Not billable, use a more specific code below

Injury of blood vessels at lower leg level

In Injuries to the knee and lower leg (S80-S89), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes

270 billable codes under S85: 18 are an MCC, 72 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

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Instructional notes

Excludes2: not included here, code separately if applicable

  • injury of blood vessels at ankle and foot level (S95.-)

Code also: add a code for this too, order depends on the encounter

  • any associated open wound (S81.-)

Also applies, from Injuries to the knee and lower leg (S80-S89)

These notes sit on S80-S89 and apply to every code under it, including S85.

Excludes2: not included here, code separately if applicable

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
  • insect bite or sting, venomous (T63.4)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers 7th character use and coding of injuries, fractures, burns, drug and toxic effects, abuse and neglect, and complications of care (S00-T88).

Read Section I.C.19 (page 77)

All codes under S85

S85 can't be used on a claim. Pick a billable code below; grey headings group them.

S85 MS-DRGs

As the principal diagnosis, the billable codes under S85 group to these 10 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to S85

Notes on these codes point to S85.

  • S75 Excludes2: injury of blood vessels at lower leg level (S85.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Leg Injuries and Disorders

Your legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, falling, or having an accident can damage your legs. Common leg injuries include sprains and strains, joint dislocations, and fractures (broken bones).

Read more about leg injuries and disorders on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.