Portable oxygen system — prior authorization under TRICARE
Billing code E0431 · Category: dme
In our reference, this procedure typically requires prior authorization.
Typical turnaround is 7 day(s); TRICARE's
standard turnaround is 5 business days (24 hours if urgent).
How to submit
Health Net Federal Services portal, Humana Military portal, 800-444-5445
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
TRICARE-specific notes
TRICARE Prime requires PCP referral for specialty care
8 outpatient MH sessions without PA
Fastest urgent turnaround (24h)
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 TRICARE directly using the submission method above.
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