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Collagen dressing, sterile, size more than 16 sq. in. but less than or equal to 48 sq. in., each

HCPCS code

Name of the Procedure:

Collagen Dressing Application
Common Name: Collagen Dressing
Technical/Medical Term: Collagen Wound Dressing (HCPCS Code: A6022)


A collagen dressing is a sterile medical product used to cover and treat wounds. This specific type is designed for wounds larger than 16 square inches but not exceeding 48 square inches. The dressing helps in wound healing by promoting new tissue growth and managing wound exudate.


Medical Conditions or Problems It Addresses
  • Diabetic ulcers
  • Pressure sores
  • Surgical wounds
  • Burns
  • Traumatic wounds
Goals or Expected Outcomes
  • Promote faster healing
  • Reduce infection risk
  • Manage wound exudate
  • Support tissue growth


Symptoms or Conditions Warranting the Procedure
  • Large wounds needing extra support for healing
  • Wounds with a high risk of infection
  • Persistent, non-healing wounds
Patient Criteria
  • Patients with chronic or acute wounds larger than 16 sq. in. but less than or equal to 48 sq. in.
  • Patients without allergies to collagen-based products


Pre-Procedure Instructions
  • Clean the wound site according to healthcare provider's instructions
  • Fasting is not required
  • Inform healthcare provider of all medications and allergies
Diagnostic Tests
  • Wound assessment
  • Possible blood tests to rule out infection

Procedure Description

  1. Preparation: Clean the wound area with a saline solution.
  2. Apply Dressing: Place the sterile collagen dressing directly onto the wound.
  3. Secure Dressing: Cover with a secondary dressing if needed, and secure with medical tape or bandage.
  4. Inspection: Check for proper placement and ensure there are no gaps or folds.
  5. Documentation: Record the procedure and any observations.
Tools and Equipment
  • Sterile collagen dressing
  • Saline solution
  • Secondary dressing (e.g., gauze)
  • Medical tape or bandages
Anesthesia or Sedation

Not typically required, as the procedure is non-invasive.


Approximately 10 to 15 minutes.


  • Hospital
  • Outpatient clinic
  • Wound care center


  • Wound care specialist or nurse
  • Attending physician

Risks and Complications

Common Risks
  • Mild skin irritation
  • Allergic reaction to collagen
Rare Risks
  • Wound infection
  • Adverse tissue reaction
Management of Complications
  • Immediate removal of the dressing and medical assessment
  • Antihistamines for allergic reactions
  • Antibiotics for infections


  • Accelerated wound healing
  • Lower risk of infection
  • Moist wound environment conducive to healing
  • Reduction in pain and discomfort
How Soon Benefits Might Be Realized
  • Initial benefits may be observed within a few days
  • Full wound healing could take several weeks, depending on wound severity


Post-Procedure Care
  • Follow wound care instructions provided by healthcare provider
  • Change dressing as instructed
  • Keep wound area clean and dry
Expected Recovery Time
  • Varies based on wound size and patient's overall health
  • Typically, noticeable improvement within 1-2 weeks
Restrictions and Follow-Up
  • Avoid strenuous activities that may affect wound healing
  • Regular follow-up appointments for wound assessment


Other Treatment Options
  • Traditional gauze dressings
  • Hydrocolloid dressings
  • Foam dressings
Pros and Cons of Alternatives
  • Gauze Dressings: Lower cost but less effective in moist wound healing.
  • Hydrocolloid Dressings: Better for minor wounds but may not be suitable for large, exudating wounds.
  • Foam Dressings: Good for absorbing exudate but lack collagen's tissue growth properties.

Patient Experience

During the Procedure
  • Mild discomfort during application
  • Cool sensation as saline and dressing are applied
After the Procedure
  • Increased comfort due to pain relief from the dressing
  • Possible minor itching or irritation
  • Pain management as needed with over-the-counter pain relievers like acetaminophen or ibuprofen

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