MA61: Missing/incomplete/invalid social security number
The claim was submitted with a missing or invalid Social Security Number where the payer's system expected one to identify the patient or subscriber.
Corrective actions
- 1
Confirm which identifier the payer actually requires
Many payers, including Medicare, now use the MBI instead of SSN; confirm whether this remark reflects an outdated identifier requirement in your claim setup.
- 2
Correct and resubmit
If an SSN is genuinely required by this payer, obtain the correct number from the patient or guarantor and resubmit as a corrected claim.
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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.