All ICD10 Codes

S90-S99

Non-Billable
ChapterS00–T88
Rankblock
Official Description

Injuries to the ankle and foot (S90-S99)

Use a more specific code (0 billable, 10 non-billable)
S90Superficial injury of ankle, foot and toeshas subcodesS91Open wound of ankle, foot and toeshas subcodesS92Fracture of foot and toe, except anklehas subcodesS93Dislocation and sprain of joints and ligaments at ankle, foot and toe levelhas subcodesS94Injury of nerves at ankle and foot levelhas subcodesS95Injury of blood vessels at ankle and foot levelhas subcodesS96Injury of muscle and tendon at ankle and foot levelhas subcodesS97Crushing injury of ankle and foothas subcodesS98Traumatic amputation of ankle and foothas subcodesS99Other and unspecified injuries of ankle and foothas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S90-S99Injuries to the ankle and foot (S90-S99)Not billable
S90Superficial injury of ankle, foot and toesSubcodes
S91Open wound of ankle, foot and toesSubcodes
S92Fracture of foot and toe, except ankleSubcodes
S93Dislocation and sprain of joints and ligaments at ankle, foot and toe levelSubcodes
S94Injury of nerves at ankle and foot levelSubcodes
S95Injury of blood vessels at ankle and foot levelSubcodes
S96Injury of muscle and tendon at ankle and foot levelSubcodes
S97Crushing injury of ankle and footSubcodes
S98Traumatic amputation of ankle and footSubcodes
S99Other and unspecified injuries of ankle and footSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S90-S99:

chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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