HCPCS Level II · Hydrocolloid dressings
A6234: hydrocolloid dressing without border, pad 16 sq. in. or less
A sterile hydrocolloid wound cover, without an adhesive border, pad 16 sq. in. or less, billed per dressing.
Illustration, not the exact productAt a glance
- Billing unit
- Each (per dressing)
- Size band
- Pad 16 sq. in. or less
- Adhesive border
- Without an adhesive border
- PCSS products
- 1 line, 1 size
Official CMS descriptor
How CMS describes A6234
“Hydrocolloid dressing, wound cover, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing”
- Code
- A6234
- Short descriptor
- Hydrocolld drg <=16 w/o bdr
- Code added
- January 1, 1997
- Action effective date
- January 1, 2009
- Status in this file
- Active (no termination date)
PCSS products
What PCSS carries under A6234
PCSS suggests A6234 as the typical HCPCS category for these product sizes.
Hydrocolloid, no border
Hydrocolloids
Size PCSS suggests A6234 for
- 4×4
PCSS's suggested HCPCS categories (July 2026) are for reference only, based on product type and pad size. It's a reference, not a coding determination. Confirm final coding with your billing staff.
General product information, not clinical advice.
Size band
Pad size sets the band
CMS splits this dressing type into 3 bands: pad 16 sq. in. or less, pad more than 16 up to 48 sq. in. and pad more than 48 sq. in. Multiply the pad's length by its width: a 4×4 in. pad is 16 sq. in., which falls in A6234's band (16 sq. in. or less).
Usual change frequency (LCD L33831)
- Hydrocolloids
- Up to 3 times per week.
Listed for the PCSS product group, in PCSS's plain-words summary of the LCD.
LCD L33831(opens in a new tab)Medicare notes for A6234
PCSS has no code-specific Medicare notes for A6234. The documentation checklist covers what dressing orders and notes need to show.
Medicare details checked against CMS sources on October 6, 2026. Not billing, coding or legal advice.
Related codes
Hydrocolloid dressings: other codes
Codes PCSS carries open their own page; the rest open in the full lookup.
- A6235PCSS carriesHydrocolld drg >16<=48 w/o bCode page
- A6236Hydrocolld drg > 48 in w/o bIn the lookup
- A6237Hydrocolld drg <=16 in w/bdrIn the lookup
- A6238Hydrocolld drg >16<=48 w/bdrIn the lookup
- A6239Hydrocolld drg > 48 in w/bdrIn the lookup
- A6240Hydrocolld drg filler pasteIn the lookup
- A6241Hydrocolloid drg filler dryIn the lookup
Questions
A6234: common questions
Answers draw on the CMS descriptor, PCSS's suggested codes and the Medicare notes on this page.
What is HCPCS code A6234?
A6234 is a Level II HCPCS code. Its CMS long descriptor reads “Hydrocolloid dressing, wound cover, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing”, and its short descriptor is “Hydrocolld drg <=16 w/o bdr” (October 2026 Alpha-Numeric HCPCS File, CMS).
What does PCSS suggest A6234 for?
PCSS suggests A6234 as the typical HCPCS category for Hydrocolloid, no border (4×4). PCSS's suggested HCPCS categories (July 2026) are for reference only, based on product type and pad size. Confirm final coding with your billing staff.
How often are hydrocolloids usually changed under Medicare?
Under LCD L33831, the usual change frequency for hydrocolloids: Up to 3 times per week.
What size range does A6234 cover?
A6234 covers a pad of 16 sq. in. or less. In the same series, A6235 covers a pad of more than 16 up to 48 sq. in. and A6236 covers a pad of more than 48 sq. in.
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