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S81.059

⚠ Non-billable (Header)

Open bite, unspecified 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 S81.05

Rules from parent category S81.05: Open bite of knee

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

Child Codes (3)

S81.059AOpen bite, unspecified knee, initial encounterS81.059DOpen bite, unspecified knee, subsequent encounterS81.059SOpen bite, unspecified knee, sequela

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Code Information

CodeS81.059
BillableNo — Header code
ParentS81.05
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)