T24.42
Header — not billableCorrosion of unspecified degree of knee
The ICD-10 code for corrosion of unspecified degree of knee is T24.42.
T24.42 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T24.40Corrosion of unspecified degree of unspecified site of lower limb, except ankle and footnon-billable header
- T24.41Corrosion of unspecified degree of thighnon-billable header
- T24.43Corrosion of unspecified degree of lower legnon-billable header
- T24.49Corrosion of unspecified degree of multiple sites of lower limb, except ankle and footnon-billable header
- T24.42Corrosion of unspecified degree of kneenon-billable header