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.
Usually paired with
Retrieved 2026-07-18.
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DenialPath 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.