A4418
HCPCSOst pch clsd w/o bar w filtr
Official HCPCS Level II long descriptor
Ostomy pouch, closed; without barrier attached, with filter (1 piece), each
HCPCS Level II code A4418 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Ost pch clsd w/o bar w filtr
Added to HCPCS: 2004-01-01
Nearby codes in A4
- A4410Ost skn barr extnd >4 sq
- A4411Ost skn barr extnd =4sq
- A4412Ost pouch drain high output
- A44132 pc drainable ost pouch
- A4414Ost sknbar w/o conv<=4 sq in
- A4415Ost skn barr w/o conv >4 sqi
- A4416Ost pch clsd w barrier/filtr
- A4417Ost pch w bar/bltinconv/fltr
- A4419Ost pch for bar w flange/flt
- A4420Ost pch clsd for bar w lk fl
- A4421Ostomy supply misc
- A4422Ost pouch absorbent material
- A4423Ost pch for bar w lk fl/fltr
- A4424Ost pch drain w bar & filter
- A4425Ost pch drain for barrier fl
- A4426Ost pch drain 2 piece system
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.