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
Status
Active (April 2026 HCPCS)

Prior authorization

Not on the Medicare required-PA list as of the January 13, 2026 update (74 items). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.

E1406 Medicare fee schedule (April 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 April 2026. 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.

Common denial codes to watch

CO-50 medical necessity

Related E-codes

E1405

Bill E1406 with confidence

MyMedi-AI scrubs whole claims against NCCI pairs, MUE limits, modifier rules, and PA flags before you submit — built for DME teams, no PHI stored on our servers.

Start free trial   Run a CMS-0057-F readiness check

Prefer DIY compliance? Self-audit documentation kits for DME suppliers →