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S81.05

⚠ Non-billable (Header)

Open bite 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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Also Known As

Bite of knee NOS

❌ Excludes1

direct

Cannot be coded with S81.05

  • • superficial bite of knee (S80.27-)

Child Codes (3)

S81.051Open bite, right kneeS81.052Open bite, left kneeS81.059Open bite, unspecified knee

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Code Information

CodeS81.05
BillableNo — Header code
ParentS81.0
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)