Wound Care Billing Services

Wound care centers treat chronic wounds that take weeks or months to heal, and payers expect detailed records at every visit. Measurements, wound depth, tissue type, and the treatment tried all need to be written down. Claims depend on this paperwork, and the wrong debridement code can mean a denial or a repayment request later.

Hyperbaric oxygen therapy adds another layer, with strict coverage rules and session limits. Skin substitute payment has also changed in recent years. Westmont Revenue Partners connects wound care programs with vetted billing experts who understand these issues and can help keep documentation and claims aligned.

Who this is for

• Hospital-based wound care and hyperbaric centers
• Independent outpatient wound clinics
• Podiatrists, vascular surgeons, and plastic surgeons who treat wounds
• Physicians who supervise hyperbaric chambers
• Nurse practitioners and physician assistants in wound clinics

What gets billed

• New and follow-up wound visits
• Selective debridement of wounds
• Surgical debridement of deeper tissue
• Compression wrapping and bandaging
• Hyperbaric oxygen sessions
• Physician supervision of hyperbaric treatment
• Skin substitute and graft applications
• Dressings and supplies where billable
• Negative pressure wound therapy
• Vascular testing tied to wound healing

Commonly billed codes

Code	Type	What it covers
99213	CPT	Established patient visit of low complexity
99214	CPT	Established patient visit of moderate complexity
97597	CPT	Removal of dead tissue from a wound using selective methods, first 20 square cm
97598	CPT	Each added 20 square cm of selective wound debridement
11042	CPT	Surgical debridement down to the fat layer, first 20 square cm
29581	CPT	Multi-layer compression system applied to the lower leg
99183	CPT	Physician supervision of a hyperbaric oxygen session
G0277	HCPCS	Hyperbaric oxygen therapy session, billed per 30 minutes

Note

Codes are examples for orientation, not a complete list, and do not guarantee coverage or payment. Always check current code sets and payer policy.

Billing challenges in wound care

Choosing the right debridement code. Selective, surgical, and non-selective methods are billed differently, based on depth and technique. Billers match the procedure note to the code and the size of the wound.

Measurement and healing records. Payers expect wound size, depth, and progress to be tracked. Without them, they may question whether treatment is working. Billers coach teams on what to record at each visit.

Hyperbaric coverage criteria. Medicare covers hyperbaric oxygen only for a limited set of conditions, and many payers follow similar lists. Billers check the diagnosis and wound stage before a course starts.

Session limits and re-evaluation. Payers may require progress notes after a set number of sessions. Billers track counts and remind clinicians when updates are due.

Skin substitute billing changes. Medicare changed how these products are paid beginning in 2026, and other payers have their own policies. Billers review current rules and verify product codes before billing.

Facility versus physician billing. Hospital outpatient wound centers and physician offices have different claim types and rates. Billers use the right form for each.

Compression and supply coverage. Some payers bundle compression materials into the application code. Billers check policy to avoid unpaid supplies.

How Westmont can help

• We match your wound care program with vetted billing experts experienced in wound care, hyperbaric medicine, and outpatient facility billing.
• Matched experts can support end-to-end revenue cycle management.
• Denial management support covers debridement, hyperbaric, and skin substitute claims.
• Credentialing and payer enrollment help is available for providers and sites.

Frequently asked questions

How do you choose between debridement codes?

The code depends on the method and the deepest tissue removed. Selective methods use one code family, while surgical removal of fat, muscle, or bone uses another. The note should state depth, size, and tools used. When in doubt, ask the provider before billing.

What does Medicare cover for hyperbaric oxygen therapy?

Medicare generally covers hyperbaric oxygen only for specific conditions listed in its national policy, including certain diabetic wounds that meet set criteria. Other uses are not covered. Commercial plans vary. Check current policy and prior authorization rules before treatment.

Who bills for hyperbaric sessions in a hospital center?

Typically the hospital bills for the facility session, and the physician bills separately for supervision. Both need documentation. The right claim form and codes depend on the setting. A billing partner can set up both sides correctly.

Have skin substitute billing rules changed?

Yes. Medicare changed its payment approach for skin substitutes starting in 2026, and payer policies keep shifting. Billers should check current Medicare and payer guidance, product codes, and documentation standards for each claim.

Why are wound care claims denied?

Common reasons are weak documentation, the wrong debridement code, non-covered conditions for hyperbaric care, and missing progress notes. A wound care billing company can find patterns and fix them at intake and charge entry.

Related billing services

• Podiatry
• Vascular Surgery
• Plastic & Reconstructive Surgery
• Hospitals
• Home Health Agencies