M12.4
Header — not billableIntermittent hydrarthrosis
The ICD-10 code for intermittent hydrarthrosis is M12.4.
M12.4 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 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.
Child codes under M12.4
- M12.40Intermittent hydrarthrosis, unspecified site
- M12.41Intermittent hydrarthrosis, shouldernon-billable header
- M12.42Intermittent hydrarthrosis, elbownon-billable header
- M12.43Intermittent hydrarthrosis, wristnon-billable header
- M12.44Intermittent hydrarthrosis, handnon-billable header
- M12.45Intermittent hydrarthrosis, hipnon-billable header
- M12.46Intermittent hydrarthrosis, kneenon-billable header
- M12.47Intermittent hydrarthrosis, ankle and footnon-billable header
- M12.48Intermittent hydrarthrosis, other site
- M12.49Intermittent hydrarthrosis, multiple sites
Related codes in this category
- M12.0Chronic postrheumatic arthropathy [Jaccoud]non-billable header
- M12.1Kaschin-Beck diseasenon-billable header
- M12.2Villonodular synovitis (pigmented)non-billable header
- M12.3Palindromic rheumatismnon-billable header
- M12.5Traumatic arthropathynon-billable header
- M12.8Other specific arthropathies, not elsewhere classifiednon-billable header
- M12.9Arthropathy, unspecified
- M12.4Intermittent hydrarthrosisnon-billable header