M85.66
Header — not billableOther cyst of bone, lower leg
The ICD-10 code for other cyst of bone, lower leg is M85.66.
M85.66 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
- M85.60Other cyst of bone, unspecified site
- M85.61Other cyst of bone, shouldernon-billable header
- M85.62Other cyst of bone, upper armnon-billable header
- M85.63Other cyst of bone, forearmnon-billable header
- M85.64Other cyst of bone, handnon-billable header
- M85.65Other cyst of bone, thighnon-billable header
- M85.67Other cyst of bone, ankle and footnon-billable header
- M85.68Other cyst of bone, other site
- M85.69Other cyst of bone, multiple sites
- M85.66Other cyst of bone, lower legnon-billable header