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Medicaid Is the Payer of Last Resort, and It Enforces That

Any other coverage must be billed and adjudicated first. Skipping that step produces a denial that looks like a coverage problem but is a sequencing problem.

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2 min read · by White Glove Medical Billing
A line of numbered markers with one out of order

Medicaid pays after everyone else. Not as a preference — as a statutory position. If any other coverage exists, it must be billed and adjudicated before Medicaid will consider the claim.

What counts as other coverage

Commercial insurance, Medicare, workers compensation, auto liability and no-fault, and in some situations other government programs. If the patient has any of it, Medicaid is behind it.

Why the denial is confusing

The denial reads like a coverage problem. Staff check eligibility, confirm Medicaid is active, and resubmit — which produces the same denial, because the issue was never eligibility. Medicaid is active. It is simply not first.

The fix requires billing the primary, waiting for adjudication, and submitting to Medicaid with the primary's remittance attached. That is a different workflow, and it takes time the primary's filing window is also consuming.

Where it goes wrong at the front desk

  • Patients frequently do not mention other coverage, especially a spouse's plan or an auto policy.
  • Coverage that lapsed and restarted looks like no coverage in a quick check.
  • Injuries that turn out to be work-related or auto-related are not identified as such at registration.

The practical rule

Ask about other coverage explicitly at every Medicaid encounter, and ask about work and auto injuries in those words. Then record the sequencing decision so the next person does not re-derive it. This category is preventable at intake and expensive downstream, which is the worst combination to leave to chance.

Denials Piling Up?

We handle the revenue cycle end to end — coding by certified coders, claim submission, denial management and appeals, and A/R follow-up, with six reported numbers every month.

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