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HumanaMedicare Advantage · Coverage · Medicare Advantage · Wound Care, Critical Care, Geriatrics +3 moreMedium impact

Immersion Therapy Mattress Bed - Medicare Advantage (Revised)

Effective date
Nov 2, 2026
Identified
Nov 3, 2026

Previous versions

Summary

Humana Medicare Advantage has confirmed that immersion therapy mattress beds (fluid immersion simulation [FIS] systems) are not covered as medically reasonable and necessary. This policy, effective 11/02/2026, states there are no covered indications for this service across all jurisdictions. Claims for these devices will be denied.

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What to do

Action · 5 steps
01Effective 11/02/2026: Stop billing CPT E1399 for immersion therapy mattress beds (fluid immersion simulation [FIS] systems) and related devices to Humana Medicare Advantage members across all jurisdictions (DME MAC regions A, B, C, and D covering all states and territories).
02If patients request this service after the effective date, inform providers and front desk staff that the device is not covered by this plan.
03Document the non-coverage determination in the patient's record and advise patients that Humana will not pay for this service.
04Do not submit claims for E1399 when billed as an immersion therapy mattress bed, as claims without prior authorization or medical necessity will be denied.
05If a patient insists on pursuing this service despite non-coverage, discuss out-of-pocket costs with the patient in advance.

Codes mentioned

E1399

Original notice

Immersion Therapy Mattress Bed - Medicare Advantage (Revised)
mcp.humana.com · Always check the source before changing claims.
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Related policy hubs

Humana policiesWound CareCritical CareGeriatricsPalliative CareGeneral SurgeryPlastic SurgeryCode E1399

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