MA39: Missing/incomplete/invalid gender
The patient's sex/gender field is blank or does not match what the payer has on record, which can also happen when it conflicts with a gender-specific procedure code.
Corrective actions
- 1
Verify the gender field matches payer records
Check the patient's demographic data against the payer's eligibility file and correct any mismatch.
- 2
Check for gender-specific procedure conflicts
If the procedure code itself is restricted to one gender, confirm the code was billed correctly for the clinical scenario before resubmitting.
Denial codes it is usually paired with
MA39 is the detail behind a CARC rather than an adjustment in its own right. These are the denial codes our dataset records it alongside.
Retrieved 2026-07-18.
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Denial7 provides billing and administrative guidance based on published CMS and X12 sources. It is not medical advice, not a coverage determination, and not a guarantee of payment. NCCI and MUE edits are republished quarterly and payer policies vary by contract. Always confirm against the payer's own current policy before submitting or appealing.