Smith and Nephew Inc Covrsite Cover Dressing 6" x 6", Pad 4" x 4", Water-resistant -Box of 30 Each. Product is manufacturered and licensed by Smith & Nephew . Product is categorized as a gauze gauze sterile (border). HCPCS: A6219 . Smith and Nephew Inc Covrsite Cover Dressing 6" x 6", Pad 4" x 4", Water-resistant. Smith and Nephew Coversite Composite Cover Dressing is designed as a secondary cover dressing for gels, gel sheets, alginates, wound fillers and non-adhesive foams. It can also be used as an alternative to tape and gauze over central line dressings.