MyMedi-AI

E1406 — Oxygen and water vapor enriching system without heated delivery

HCPCS Level II E-code · short descriptor: “O2/water vapor enrich w/o he”

Code system
HCPCS Level II
Family
E — Durable medical equipment
Medicare coverage status
Special coverage instructions apply
DMEPOS payment category
Oxygen & oxygen equipment
Prior authorization
Not on Medicare required-PA list
Face-to-face & WOPD
Not on the required list
MUE unit limit
1
Status
Active (HCPCS Level II October 2026)

Prior authorization

Not on the Medicare required-PA list (CMS Required Prior Authorization List — 74 items in force on 2026-10-25; 8 more from 2026-10-28; sources: CMS list updated 2026-01-13, CMS-6109-N (91 FR 47972)). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.

Order readiness — what the written order must contain

Every Medicare DMEPOS claim needs a Standard Written Order with all six elements (42 CFR 410.38(d)):

  • Beneficiary name or Medicare Beneficiary Identifier (MBI) (42 CFR 410.38(d)(1)(i)(A))
  • General description of the item (42 CFR 410.38(d)(1)(i)(B))
  • Quantity to be dispensed, if applicable (42 CFR 410.38(d)(1)(i)(C))
  • Order date (42 CFR 410.38(d)(1)(i)(D))
  • Treating practitioner name or NPI (42 CFR 410.38(d)(1)(i)(E))
  • Treating practitioner signature (42 CFR 410.38(d)(1)(i)(F))

Not on the F2F/WOPD list (CMS Required F2F & WOPD List — 83 items in force on 2026-10-25; 22 more from 2026-10-28; sources: CMS list effective 2026-04-13 (91 FR 1250), CMS-6109-N (91 FR 47972)). The standard written order must reach the supplier before claim submission.

Blank requirements checklist only — MyMedi-AI never collects or stores completed orders.

E1406 Medicare fee schedule (October 2026)

RR — Monthly rental Oxygen & oxygen equipment

Medicare allowable ranges from $100.65 to $192.59 depending on state and rural status.

StateNon-ruralRural
AK$192.59—
AL$107.57$192.59
AR$107.57$192.59
AZ$105.31$192.59
CA$100.65$192.59
CO$108.28$192.59
CT$107.01$192.59
DC$103.13$192.59
DE$103.13$192.59
FL$107.57$192.59
GA$107.57$192.59
HI$192.59—
IA$107.51$192.59
ID$108.28$192.59
IL$107.02$192.59
IN$107.02$192.59
KS$107.51$192.59
KY$107.57$192.59
LA$107.57$192.59
MA$107.01$192.59
MD$103.13$192.59
ME$107.01$192.59
MI$107.02$192.59
MN$107.51$192.59
MO$107.51$192.59
MS$107.57$192.59
MT$108.28$192.59
NC$107.57$192.59
ND$107.51$192.59
NE$107.51$192.59
NH$107.01$192.59
NJ$103.13$192.59
NM$105.31$192.59
NV$100.65$192.59
NY$103.13$192.59
OH$107.02$192.59
OK$105.31$192.59
OR$100.65$192.59
PA$103.13$192.59
PR$192.18—
RI$107.01$192.59
SC$107.57$192.59
SD$107.51$192.59
TN$107.57$192.59
TX$105.31$192.59
UT$108.28$192.59
VA$107.57$192.59
VI$192.59—
VT$107.01$192.59
WA$100.65$192.59
WI$107.02$192.59
WV$107.57$192.59
WY$108.28$192.59
Amounts are the Medicare DMEPOS fee-schedule allowables effective October 2026 (CMS DMEPOS Fee Schedule October 2026 (DME26-D)). Medicare typically pays 80% of the allowable after the Part B deductible; the patient owes 20%. A 2% sequestration reduction applies to the Medicare share. Former competitive-bidding-area adjustments and non-continental rates can differ — verify with your DME MAC.

Unit limit (MUE)

Medicare's Medically Unlikely Edit caps E1406 at 1 unit per date of service (absolute). Units above the MUE deny — typically as CO-151. Rationale: Code Descriptor / CPT Instruction.

Common denial codes to watch

CO-50 medical necessityCO-151 frequency/units

Related E-codes

E1405

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