MyMedi-AI

A4411 — Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, with built-in convexity, each

HCPCS Level II A-code · short descriptor: “Ost skn barr extnd =4sq”

Code system
HCPCS Level II
Family
A — Medical & surgical supplies, ambulance
Medicare coverage status
Special coverage instructions apply
DMEPOS payment category
Ostomy, tracheostomy & urological supplies
Prior authorization
Not on Medicare required-PA list
Face-to-face & WOPD
Not on the required list
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 2026-10-16; 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 2026-10-16; 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.

A4411 Medicare fee schedule (October 2026)

Base (no modifier) Ostomy, tracheostomy & urological supplies

Medicare allowable ranges from $7.26 to $8.70 depending on state and rural status.

Former-CBA payment limits: ceiling $7.26 · floor $6.17

StateNon-ruralRural
AK$7.26—
AL$7.26—
AR$7.26—
AZ$7.26—
CA$7.26—
CO$7.26—
CT$7.26—
DC$7.26—
DE$7.26—
FL$7.26—
GA$7.26—
HI$7.26—
IA$7.26—
ID$7.26—
IL$7.26—
IN$7.26—
KS$7.26—
KY$7.26—
LA$7.26—
MA$7.26—
MD$7.26—
ME$7.26—
MI$7.26—
MN$7.26—
MO$7.26—
MS$7.26—
MT$7.26—
NC$7.26—
ND$7.26—
NE$7.26—
NH$7.26—
NJ$7.26—
NM$7.26—
NV$7.26—
NY$7.26—
OH$7.26—
OK$7.26—
OR$7.26—
PA$7.26—
PR$8.70—
RI$7.26—
SC$7.26—
SD$7.26—
TN$7.26—
TX$7.26—
UT$7.26—
VA$7.26—
VI$7.26—
VT$7.26—
WA$7.26—
WI$7.26—
WV$7.26—
WY$7.26—
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.

Common denial codes to watch

Related A-codes

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