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S81.0

⚠ Non-billable (Header)

Open wound of knee

Injury, poisoning and certain other consequences of external causes (S00-T88)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from S81

Rules from parent category S81: Open wound of knee and lower leg

  • • open fracture of knee and lower leg (S82.-)
  • • traumatic amputation of lower leg (S88.-)

⚠️ Excludes2

inherited from S81

Rules from parent category S81: Open wound of knee and lower leg

  • • open wound of ankle and foot (S91.-)

Child Codes (6)

S81.00Unspecified open wound of kneeS81.01Laceration without foreign body of kneeS81.02Laceration with foreign body of kneeS81.03Puncture wound without foreign body of kneeS81.04Puncture wound with foreign body of kneeS81.05Open bite of knee

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Code Information

CodeS81.0
BillableNo — Header code
ParentS81
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes12 rule(s)
Excludes21 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)