HCPCS Code A6010: Collagen‑Based Wound Filler, Dry Form, Sterile, Per Gram of Collagen

## **What is the HCPCS code A6010?** HCPCS Code A6010 refers to a collagen-based wound filler in dry form, sterile, and is measured per gram of collagen. It falls under the category of Miscellaneous Dressing and Wound Supplies in the Medical and Surgical Supplies section. Healthcare providers use this code to document and bill for the supply of this specific type of wound care product. It may be used as a primary or secondary dressing depending on the wound site and condition. The collagen filler aids in wound healing by providing a moist wound surface for draining wounds and absorbing excess wound fluids, promoting the scaffolding necessary for tissue repair. It is a surgical dressing used to treat a variety of wounds, including pressure ulcers, burns, or surgical wounds, and must be sterile to be safely applied. This collagen-based wound filler may also support healing in diabetic foot ulcers, helping to manage minimal or no exudate while protecting the wound bed. Medicare and other payers reimburse providers based on established fee schedules, typically around $50.95 per gram, depending on the payer and region. Proper documentation and justification for use, including wound evaluation and physician orders, are required for reimbursement. These items fall under the surgical dressings benefit as durable medical equipment, commonly provided in home health settings.

Use Code

## **A6010 documentation requirements** The documentation requirements for HCPCS Code A6010, which covers collagen-based wound filler (dry, sterile, per gram), include detailed record-keeping to justify the medical necessity and proper use of the dressing. Key documentation elements are: - Initial wound evaluation must document the number, type, location, depth, size of wounds, presence and amount of drainage, tunneling or undermining, eschar or granulation tissue, infection or complications, and whether the dressing is used as primary or secondary. - Medical records should specify the type of qualifying wound, such as full thickness wound cavities (Stage III or IV ulcers), wounds with light to moderate exudate, or those stalled in healing, which qualify for collagen dressings coverage. - Documentation must support that wound fillers like collagen are not used in wounds with heavy exudate, third-degree burns, or active vasculitis. - The dressing’s size, quantity used, frequency of dressing change, and duration of use must be recorded. - Regular wound assessments, ideally monthly or more frequently for nursing home patients or those with heavy drainage, are required, with updates on wound site progress documented. - A signed and dated physician or licensed practitioner’s order detailing dressing type, quantity, frequency, duration, and refills is necessary. Orders must be renewed at least every 3 months or when changes occur. - Claims must include appropriate modifiers and comply with all payer-specific rules on billing and documentation. Proper documentation supports the use of flat dressing pads, composite dressing, or even foam wound fillers when applicable.

## **A6010 billing requirements** The billing requirements for HCPCS Code A6010, which covers collagen-based wound filler (dry, sterile, per gram), include several important elements to ensure proper reimbursement: - The code represents a moderate complexity service involving moderate medical decision-making, so documentation must reflect this complexity and justify medical necessity. - Claims must include detailed documentation such as initial wound evaluation (number, type, size, depth, drainage, wound complications), frequency and quantity of dressing used, and evidence of wound cover progress. - A signed and dated physician or licensed practitioner’s order specifying the dressing type, quantity, frequency, duration, and refills is required. Orders must be renewed every 3 months or with changes. - Each wound cover dressing treated with a collagen dressing must be reported with the appropriate modifier, corresponding to the number of wounds receiving treatment, not just the total wounds the patient has. - Quantity limits often apply; a common maximum monthly allowance is around 30 units per month (grams). When using secondary surgical dressing options like gauze dressings, impregnated gauze dressings, or specialty absorptive dressings, ensure proper coding for supplemental coverage. These can be used to hold wound cover dressings in place or act as a secondary dressing to a hydrogel dressing or hydrocolloid wound filler. Documentation should also reflect whether the product has a therapeutic or protective function.

## **Other relevant codes** - A6011: Collagen-based wound filler, gel/paste form, sterile, per gram of collagen. This is a closely related collagen dressing in a different formulation. - A6154: Wound pouch, each - A6021 to A6024: Various collagen dressings, including pads or wound fillers with specific sizes, are sterile and are often considered alongside A6010 for different wound dressing types. - A6196 to A6199: Alginate or fiber gelling dressing fillers, fiber gelling dressing rope, or fiber gelling dressing covers, which are alternative specialized wound care products often reviewed or billed similarly to collagen dressings. - A6212: Foam dressing – a different type of surgical wound dressing, sometimes reviewed together with A6010 for coverage and documentation compliance. Other foam wound cover products may be applied depending on wound drainage. - A6222: Gauze dressings impregnated with anything other than water, normal saline, or hydrogel, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing

Frequently asked questions

The HCPCS code for an alginate dressing depends on its size. For a sterile alginate or other fiber gelling wound dressing with a pad size of 16 square inches or less, the code is A6196; for sizes more than 16 but less than or equal to 48 square inches, it is A6197; and for sizes greater than 48 square inches, it is A6198.

The HCPCS codes for hydrocolloid dressings vary by size and presence of adhesive border. For example, A6234 applies to sterile hydrocolloid dressings with a pad size of 16 square inches or less without an adhesive border, while A6235 covers those greater than 16 but less than or equal to 48 square inches without an adhesive border. Other variants like A6236 and A6237 apply to different sizes or adhesive types.

The HCPCS code for a continuous glucose monitoring (CGM) sensor (invasive, disposable, used with non-durable medical equipment) is A9276. This code represents the sensor unit, usually billed as a one-day supply per unit.