Portable oxygen system — prior authorization under Medicaid
Billing code E0431 · Category: dme
In our reference, this procedure typically requires prior authorization.
Typical turnaround is 7 day(s); Medicaid's
standard turnaround is 14 calendar days (3 business days if urgent).
How to submit
State Medicaid portal, MCO portal if managed care
Documentation typically required
ABG or pulse oximetry results
Physician order
Diagnosis documentation
Common reasons this gets denied
Oxygen saturation above threshold
ABG/pulse ox not documented
Medicaid-specific notes
PA requirements vary by state and MCO
EPSDT may bypass PA for children
Retroactive PA possible within state-defined windows
Emergency services cannot require PA under federal law
Coverage limits: this page does not confirm authorization for any specific member's plan, and does not cover state-specific plan variants, out-of-network requests, or every payer x procedure pair in existence. For a definitive answer, contact Medicaid directly using the submission method above.
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