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A0428 — RSNAT ambulance program source reference

CMS source lists HCPCS-II A0428 in the RSNAT ambulance program materials. This entry verifies source membership only. It does not establish that this item requires authorization for a particular patient, provider, state or date. Confirm repetitive and scheduled transport, supplier scope, bundled-payment status and any review exclusions in the official materials. Source checked 2026-10-15. Documentary verification only; no clinical review or individual coverage determination.

Prior authorization: unknown. Member-specific applicability must be checked with the payer.

PayerCMS / Medicare

Plan contextOriginal Medicare — reference context only

ServiceRSNAT ambulance program

State scopeNot verified

Effective dateNot verified

RevisionSource 545014aa0fcc

Retrieved10/15/2026

EvidenceOpen original source ↗

Source evidence

Documentary checks establish what the official source says, not clinical eligibility.

rsnat guide · PDF page 7 — source checked 2026-10-15
rsnat guide · PDF page 9 — source checked 2026-10-15
rsnat guide · PDF page 11 — source checked 2026-10-15
rsnat overview · main text — source checked 2026-10-15
rsnat faq · PDF page 5 — source checked 2026-10-15
rsnat faq · PDF page 6 — source checked 2026-10-15
rsnat faq · PDF page 8 — source checked 2026-10-15

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This public reference is available in full above. Paid research tools are not currently available; no clinical checklist or cross-payer authorization determination is included.

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Evidence fingerprint: 545014aa0fcc5d5e65c58100e89073c5f13c0442a3ab961e98b7c0a5fb13c040