M11.86
Header — not billableOther specified crystal arthropathies, knee
The ICD-10 code for other specified crystal arthropathies, knee is M11.86.
M11.86 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
- M11.80Other specified crystal arthropathies, unspecified site
- M11.81Other specified crystal arthropathies, shouldernon-billable header
- M11.82Other specified crystal arthropathies, elbownon-billable header
- M11.83Other specified crystal arthropathies, wristnon-billable header
- M11.84Other specified crystal arthropathies, handnon-billable header
- M11.85Other specified crystal arthropathies, hipnon-billable header
- M11.87Other specified crystal arthropathies, ankle and footnon-billable header
- M11.88Other specified crystal arthropathies, vertebrae
- M11.89Other specified crystal arthropathies, multiple sites
- M11.86Other specified crystal arthropathies, kneenon-billable header