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Exu-Dry Dressing: Layers, FDA 510(k) History and HCPCS Codes

Exu-Dry is a multi-layer absorbent wound dressing. See its four layers, labelled indications, FDA 510(k) record and HCPCS A6251-A6253 category.

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Short answer

Exu-Dry is a one-piece, non-adherent, absorbent multi-layer wound dressing. Its manufacturer spec sheet describes a polyethylene wound-contact layer, a polyethylene anti-shear layer, an inner rayon/cellulose absorbent core and a polyethylene outer layer, and lists it under three HCPCS A-codes (A6251, A6252, A6253). FDA’s 510(k) database holds two 1980s clearances under the name. This page is general product information, not medical advice.

Definition and scope

The manufacturer’s spec sheet, titled “EXU-DRY Anti-Sheer Absorbent Dressing”, calls it “a one-piece wound dressing made up of multiple layers” and says it is designed to cover the wound with reduced friction. It is a pad-style dressing rather than a gauze roll or a film. For how it sits among other categories, see the CASRAI explainers on wound dressings, highly absorbent dressings and non-stick sterile dressings.

The four layers named on the sheet are:

Layer Material named on the sheet Stated purpose on the sheet
Outer layer High density polyethylene Part of the sealed one-piece construction that the sheet says eliminates frayed edges, loose threads and linting
Inner layers Highly absorbent rayon/cellulose blend Absorbs and wicks drainage “into the entire dressing”, which the sheet links to fewer dressing changes
Anti-shear layer High density polyethylene “Helps reduce shearing thus may help protect fragile granulation tissue”
Wound contact layer High density polyethylene Non-adherent to the wound

These are the manufacturer’s own statements. They are product claims, not independent performance findings.

How it is used in practice (named sources)

Per the manufacturer’s spec sheet, the dressing is “indicated for exudate absorption and the management of partial to full-thickness wounds”, with typical wound types listed as venous, arterial and diabetic ulcers, pressure sores, donor sites, surgical incisions and excisions, and first- and second-degree burns. The sheet also says that because the dressing is permeable and non-occlusive it can be used as a wet or dry dressing on clean or contaminated wounds, and that it is compatible with most topical agents, liquids and creams. The sheet carries its own precautions; anyone using the product should follow the current label. Decisions about a specific wound belong to the treating clinician and the facility’s protocol.

The sheet’s reimbursement note and ordering table are covered under HCPCS below. The FDA record is the independent source on regulatory history:

K number Device name in record Applicant Decision date Decision
K840498 EXU-DRY BURN-TRAUMA DRESSING-VARIOUS Fraass Survival Systems, Inc. 1984-05-30 Substantially Equivalent
K864011 EXU-DRY BURN/TRAUMA DRESSING, VARIOUS SIZES Fraass Survival Systems, Inc. 1986-11-22 Substantially Equivalent for Some Indications

A search of the openFDA 510(k) database (data last updated 2026-10-26, read 2026-11-08) returns these two records for the name. Both name Fraass Survival Systems, Inc. as applicant, so the 510(k) history says nothing about who markets the dressing today. The 1986 decision is “for some indications”, meaning the cleared indications are narrower than the full list a later label may carry. The openFDA entries show no product code. The full 510(k) summaries are not reproduced here; anyone needing the cleared indications should consult FDA’s 510(k) database entry for each K number.

Exu-Dry belongs to the absorptive-dressing family. The sheet’s ordering table pairs products with HCPCS codes A6251, A6252 and A6253. The NLM Clinical Tables HCPCS lookup (read 2026-11-08) gives their short descriptors as follows:

Code Short descriptor
A6251 Absorpt drg <=16 sq in w/o b
A6252 Absorpt drg >16 <=48 w/o bdr
A6253 Absorpt drg > 48 sq in w/o b

The A6251 to A6253 family is banded by dressing area (up to 16 square inches, over 16 up to 48, over 48) for absorptive dressings without an adhesive border. The matching codes with borders are A6254 to A6256. For the neighbouring categories, see gauze types, highly absorbent dressings and non-stick sterile dressings.

Where it matters for supply decisions

For purchasing and billing staff, three things on the sheet are relevant: the product is described as a non-adherent, absorbent dressing intended to replace non-adherent dressings, gauze and abdominal pads; it is ordered by size band under the A6251 to A6253 codes; and the sheet’s reimbursement note reads “up to 1 per day (without adhesive border)”, “covered when used for wounds with moderate or high exudate”, and denied if used with a hydrogel “because DMERC considers it an absorptive dressing”. That note is undated and refers to DMERCs, so treat it as what the sheet said, not as current coverage. Current coverage comes from the payer’s own policy.

Common misunderstandings

  • “Exu-Dry is just gauze.” The sheet describes a sealed, multi-layer pad with a polyethylene contact layer and says it is intended to replace non-adherent dressings, gauze and abdominal pads. See gauze types for the contrast.
  • “Dry in the name means for dry wounds.” The sheet’s indication is exudate absorption, with coverage text for moderate or high exudate. It also says the dressing can be used wet or dry, which refers to how it is applied, not to the wound.
  • “The 510(k) lists the current maker.” The two records name Fraass Survival Systems, Inc. as applicant, in 1984 and 1986.
  • “An A-code is a product approval.” HCPCS codes are billing categories keyed to dressing type and size; they say nothing about FDA clearance or clinical suitability.

FAQ

What is Exu-Dry used for?

Per its spec sheet, exudate absorption and management of partial to full-thickness wounds such as ulcers, pressure sores, donor sites, surgical wounds and first- and second-degree burns.

What is Exu-Dry made of?

Polyethylene outer, anti-shear and wound-contact layers around an inner rayon/cellulose absorbent blend, per the spec sheet.

Is Exu-Dry FDA cleared?

openFDA lists 510(k) decisions K840498 (1984, Substantially Equivalent) and K864011 (1986, Substantially Equivalent for Some Indications) under the Exu-Dry name.

What HCPCS codes apply?

The spec sheet lists A6251, A6252 and A6253, which are banded by dressing area for absorptive dressings without an adhesive border.

Does Exu-Dry stick to the wound?

The sheet describes it as non-adherent, with a polyethylene wound-contact layer. Dressing choice for a particular wound is a clinical decision.

Sources

  • “EXU-DRY Anti-Sheer Absorbent Dressing” manufacturer specification sheet (PDF), read 2026-11-08: exudry-specs.pdf.
  • openFDA device 510(k) API, search on device name “exu-dry”, data last updated 2026-10-26, read 2026-11-08: openFDA 510(k).
  • NLM Clinical Tables HCPCS search, codes A6251 to A6253, read 2026-11-08: NLM Clinical Tables.

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