Skip to main content

Medicare Part B and Mobile Wound Care: Everything You Need to Know

A complete patient and caregiver guide to how Medicare Part B covers mobile wound care visits, debridement, skin substitutes, and what you actually pay out of pocket in 2025.

Article

Healix360 supports access to advanced mobile wound care services. Care is coordinated and provided directly by licensed physicians and nurse practitioners experienced in the evaluation and management of chronic and complex wounds. For patients enrolled in Original Medicare, that home-based care is delivered, billed, and documented under the same Medicare Part B framework that governs office-based wound care—so the protections, coverage rules, and patient cost-shares you already know still apply, just inside your living room instead of a clinic exam room.

Article

Medicare Part B covers medically necessary mobile wound care delivered in the patient's home, an assisted living community, a custodial care facility, or a skilled nursing facility (under Part B for the professional component). After the annual Part B deductible (approximately $240 in 2025), Medicare pays 80% of the Medicare-allowed amount for evaluation and management visits, surgical debridement (CPT 11042–11047), application of cellular and tissue-based skin substitutes (Q4100-series Q-codes), and most supplies billed incident-to. The remaining 20% is the patient's coinsurance, which is typically picked up by a Medigap plan, Medicaid (for dual-eligible beneficiaries), or paid out of pocket. There is no separate facility fee for a home visit because the place of service is POS 12 (Home), not a hospital outpatient department.

What Medicare Part B Actually Is

Article

Original Medicare has two main parts that matter for wound care. Part A covers inpatient hospital stays and short-term skilled nursing facility (SNF) stays after a qualifying hospitalization. Part B covers outpatient and professional services—including physician visits, nurse practitioner visits, surgical procedures performed outside the hospital, durable medical equipment, and most diagnostic testing. Mobile wound care, even when delivered in the home, is a Part B benefit because the clinician is providing professional services rather than admitting the patient to a facility.

Article

Medicare Part B is administered through Medicare Administrative Contractors (MACs) that publish Local Coverage Determinations (LCDs) describing exactly which services are covered, for which diagnoses, and how often. The most relevant national framework for chronic wound care is LCD L35041 (Wound Care), which covers debridement, dressings, and the documentation requirements for advanced therapies. Healix360–coordinated clinicians document every visit to those LCD standards so claims are paid the first time and patients aren't left with surprise denials.

Where Mobile Wound Care Fits

Key points

  • Place of Service code 12 (Home) is used for visits in private residences, including single-family homes, apartments, and condominiums.
  • Place of Service code 13 (Assisted Living Facility) is used for visits in licensed assisted living and residential care for the elderly (RCFE) settings.
  • Place of Service code 32 (Nursing Facility) is used for visits in non-skilled nursing facilities such as long-term care.
  • Place of Service code 31 (Skilled Nursing Facility) is used during a Part A SNF stay, where the professional fee remains a Part B benefit.
  • Place of Service code 14 (Group Home) and POS 33 (Custodial Care) are used as appropriate based on licensure of the patient's residence.

What Mobile Wound Care Services Are Covered

Article

Coverage is built around medical necessity. Medicare pays for services that a reasonable clinician would order to evaluate, diagnose, and treat a chronic or complex wound. In practical terms, a Healix360–coordinated visit usually includes a focused history, a comprehensive wound assessment, photo documentation, debridement when devitalized tissue is present, dressing selection or change, and patient/caregiver education. Each component has a specific Current Procedural Terminology (CPT) or Healthcare Common Procedure Coding System (HCPCS) code that drives reimbursement.

Evaluation and Management (E/M) Visits

Article

The first visit is typically billed as a new patient home or domiciliary E/M (CPT 99341–99345), and follow-up visits are billed as established patient codes (CPT 99347–99350). Code selection is based on either total time spent on the date of the encounter or medical decision-making complexity. Chronic non-healing wounds with comorbid diabetes, peripheral arterial disease, or infection routinely meet moderate or high complexity criteria, supporting appropriate code level selection.

Surgical and Sharp Debridement

Key points

  • CPT 11042 — Debridement of subcutaneous tissue, first 20 sq cm or less, with add-on 11045 for each additional 20 sq cm.
  • CPT 11043 — Debridement of muscle and/or fascia, first 20 sq cm or less, with add-on 11046 for each additional 20 sq cm.
  • CPT 11044 — Debridement of bone, first 20 sq cm or less, with add-on 11047 for each additional 20 sq cm.
  • CPT 97597 / 97598 — Selective debridement of devitalized tissue (epidermis/dermis) using sharp instruments, scissors, or hydrosurgery.
  • CPT 97602 — Non-selective debridement (wet-to-dry, enzymatic, autolytic) when selective debridement is not indicated.

Cellular and Tissue-Based Products (Skin Substitutes)

Article

Advanced biologics—such as EpiFix and AmnioBand (placental allografts), Apligraf and Dermagraft (bioengineered living constructs), Integra (collagen-glycosaminoglycan matrix), and PROMOGRAN (collagen/ORC matrix)—are billed using Q4100-series Q-codes for the product itself and CPT 15271–15278 for application. Coverage is governed by the MAC's local skin substitute policy, which generally requires four weeks of documented standard care without ≥50% area reduction before initiating advanced therapy on a diabetic foot ulcer or venous leg ulcer. Healix360–coordinated clinicians complete that documentation prospectively so therapy is not delayed.

What You Pay Out of Pocket in 2025

Article

Out-of-pocket cost under Original Medicare follows a predictable formula. The 2025 Part B annual deductible is approximately $240 (CMS finalizes this figure each fall). Once the deductible is met, Medicare pays 80% of the Medicare-allowed amount and the patient is responsible for the remaining 20% coinsurance. There is no Part B annual out-of-pocket maximum under Original Medicare—which is the single biggest reason most beneficiaries carry a Medigap (Medicare Supplement) plan.

Key takeaway: Your real cost

If your weekly wound care visit has a Medicare-allowed amount of $150 and you have already met the deductible, Medicare pays $120 and you owe $30. With a Medigap Plan G, your $30 coinsurance is paid by the supplement and your out-of-pocket cost for the visit is $0.

Medigap Plans That Cover the 20%

Key points

  • Medigap Plan G — Covers the full 20% coinsurance for Part B services after the Part B deductible is paid; the most popular plan for new enrollees.
  • Medigap Plan N — Covers the 20% coinsurance with a small copay (up to $20) for office visits and $50 for ER visits that don't result in admission; lower premium than Plan G.
  • Medigap Plan F — Covers both the Part B deductible and the 20% coinsurance, but is only available to beneficiaries who became eligible for Medicare before January 1, 2020.
  • Medigap High-Deductible Plan G — Lower monthly premium with a calendar-year deductible (~$2,870 in 2025) before benefits begin; can be a good fit for healthy beneficiaries.
  • Medigap Plan K and L — Cost-sharing supplements that pay 50% or 75% of the 20% coinsurance until an annual out-of-pocket maximum is reached.

If You Have Medicaid as a Secondary Payer

Article

Patients who are dual-eligible for Medicare and Medicaid—often called Medi-Medi in California—generally pay nothing out of pocket for covered wound care services. Medicaid acts as the secondary payer and covers the Medicare deductible and coinsurance, subject to state-specific cost-sharing rules. Healix360 intake teams verify both Medicare and Medicaid coverage during the referral process so dual-eligible patients can begin care without financial uncertainty.

Medicare Advantage (Part C): The Important Differences

Article

Medicare Advantage plans (Part C) are private insurance plans that contract with CMS to deliver Part A and Part B benefits. By federal law, MA plans must cover everything Original Medicare covers, but they are allowed to apply prior authorization, network restrictions, and plan-specific cost-sharing. As of 2025, more than half of all Medicare beneficiaries are enrolled in MA plans, so understanding the differences is essential for patients considering mobile wound care.

Common MA Plan Mechanics

Key points

  • Prior authorization — Many MA plans require an authorization request before initiating skin substitute therapy or extended courses of debridement; Healix360 intake handles these submissions on the patient's behalf.
  • Network requirements — In-network providers receive the contracted rate; out-of-network care may require a higher cost-share or be denied entirely on HMO plans.
  • Plan-specific copays — Instead of 20% coinsurance, many MA plans charge a flat copay per visit (often $0–$50 for in-home physician services).
  • Annual out-of-pocket maximum — Unlike Original Medicare, every MA plan has a maximum out-of-pocket limit (capped at $9,350 in 2025 for in-network services), after which the plan pays 100%.
  • Step therapy — Some MA plans require trying lower-cost dressings before approving advanced cellular therapies, even when LCD criteria are met.

Verify before the first visit

Healix360 verifies Medicare Advantage benefits, network status, prior-authorization requirements, and plan-specific cost-shares before scheduling the first appointment so patients know exactly what to expect financially. Call 877-545-1300 with your member ID handy.

The Acute Hospital Care at Home (AHCAH) Connection

Article

The CMS Acute Hospital Care at Home (AHCAH) waiver program, originally launched during the COVID-19 public health emergency and extended by Congress through legislation in 2024, allows qualifying hospitals to deliver hospital-level care in the patient's home. AHCAH patients commonly have complex wounds—post-surgical dehiscence, infected diabetic ulcers, or stage 4 pressure injuries—that require coordinated specialist input. Healix360 supports AHCAH-enrolled patients with the same Part B–billable wound care visits used in traditional home settings, allowing the discharging hospital's transition team to offload long-term wound management while the patient remains under hospital-at-home oversight.

Documentation: Why It Matters to You

Article

From a patient's perspective, documentation might seem like back-office paperwork. In Medicare wound care, however, documentation is what determines whether your claim is paid. Healix360–coordinated clinicians document each visit to the requirements of LCD L35041 and the relevant skin substitute LCDs, including wound measurements (length × width × depth), tissue type percentages (granulation, slough, eschar, epithelial), exudate volume and character, periwound condition, pain score, and a clear medical-necessity statement explaining why the chosen procedure was performed.

What Your Medicare Summary Notice Will Show

Key points

  • The provider's name and National Provider Identifier (NPI) along with the place-of-service code (typically 12, 13, 31, or 32).
  • Each CPT or HCPCS code billed for the visit, with a brief description (e.g., 'Surgical debridement, subcutaneous tissue').
  • The Medicare-allowed amount (the contracted rate, not the billed charge), the amount Medicare paid, and your coinsurance responsibility.
  • Any deductible amount applied to the visit if you have not yet met the annual Part B deductible.
  • Adjustment codes if Medicare denied or down-coded any portion of the claim, with appeal instructions.

Common Coverage Misconceptions

Article

Patients and families frequently encounter myths about Medicare and home-based care. Two of the most damaging are the belief that you must be 'homebound' to receive in-home physician services, and the belief that home visits are not 'real' Medicare-covered care. Both are wrong. Homebound status is a requirement for Medicare Part A home health agency benefits—not for Part B physician or nurse practitioner house calls. A patient does not need to be homebound to receive Healix360–coordinated wound care at home; they simply need a medically necessary wound that benefits from in-home evaluation and treatment.

Five Coverage Myths Debunked

Key points

  • Myth: 'I have to be confined to my home to qualify.' Fact: Homebound status is a Part A home health requirement, not a Part B house-call requirement.
  • Myth: 'Mobile wound care isn't really covered by Medicare.' Fact: Part B covers professional wound care services in any place of service where the patient resides.
  • Myth: 'Home visits cost more than going to a clinic.' Fact: Mobile visits actually save money because there is no facility fee; the patient pays only the 20% professional coinsurance.
  • Myth: 'I'll have to pay for the dressings myself.' Fact: Dressings used during the visit are typically billed incident-to and covered under Part B.
  • Myth: 'I need a referral from my primary care physician.' Fact: Patients and caregivers may request Healix360 coordination directly, though referrals from PCPs, hospitals, and SNFs are also welcomed.

Special Situations: SNF Part A Stays and Hospice

Article

If a patient is in a Part A–covered SNF stay following a qualifying hospitalization, the SNF receives a bundled per-diem payment that covers room, board, nursing care, and most ancillary services. Professional fees for physician and nurse practitioner visits, however, remain billable under Part B and are not bundled. That means a Healix360–coordinated wound care specialist can see the patient at the SNF during the Part A stay and bill the visit and any debridement procedures to Part B without affecting the SNF's bundled payment.

Article

Hospice is different. When a patient elects the Medicare Hospice Benefit, all care related to the terminal diagnosis is covered by the hospice agency under a per-diem capitated payment. Wound care that is unrelated to the hospice diagnosis can still be billed to Part B by an outside provider, but care related to the terminal diagnosis must be coordinated through the hospice. Healix360 works closely with hospice teams to ensure appropriate billing pathways and seamless symptom-focused wound management.

Quote from the Field

Clinical perspective

"Patients are often shocked to learn that the same wound care they would receive in a hospital outpatient department—performed by the same caliber of clinician, using the same biologics—can be delivered at the kitchen table for a lower out-of-pocket cost because there is no facility fee." — Healix360 Clinical Team

How to Confirm Your Specific Coverage

Key points

  • Locate your Medicare card (red, white, and blue) and any supplemental insurance cards (Medigap or Medicaid).
  • If you are on a Medicare Advantage plan, locate your plan member ID card and the customer service phone number on the back.
  • Call 877-545-1300 to reach the Healix360 intake team; have your insurance information and the name and contact number of the wound's referring or primary care provider.
  • Be prepared to describe the wound briefly: location on the body, approximate duration, any prior treatments, and current dressings.
  • The intake team will verify benefits, secure any required prior authorization, and provide a written summary of expected cost-shares before the first visit.

Service area

Healix360 supports Medicare Part B mobile wound care across nine Southern California counties—Los Angeles, Orange, Riverside, San Bernardino, Ventura, Santa Barbara, Kern, San Luis Obispo, and San Diego—plus the Las Vegas metropolitan area covering Clark and Nye counties in Nevada. Headquarters: Glendale, California.

Frequently Asked Questions

What is the 2025 Medicare Part B deductible for mobile wound care?

The annual Medicare Part B deductible for 2025 is approximately $240, finalized by CMS each fall. The deductible applies to the first Part B services of the calendar year, including mobile wound care visits, and resets every January 1. Once met, Medicare pays 80% of the allowed amount and you (or your secondary insurance) pay the remaining 20%.

Does Medicare cover wound care visits in my home?

Yes. Medicare Part B covers medically necessary professional wound care services delivered in the patient's home (place of service code 12), assisted living facility (POS 13), nursing facility (POS 32), or SNF (POS 31). You do not need to be classified as homebound to receive these Part B house-call services—homebound status is a separate requirement that applies only to Medicare Part A home health agency benefits.

How much will I pay out of pocket for a mobile wound care visit?

After meeting the annual Part B deductible, you owe 20% coinsurance of the Medicare-allowed amount for each visit and procedure. For a typical home E/M visit with debridement, that is often $25–$60. If you have Medigap Plan G or Plan N, the supplement pays the coinsurance and your out-of-pocket cost is usually $0. Dual-eligible patients with Medicaid also typically pay nothing.

Are skin substitutes like EpiFix or Apligraf covered by Medicare Part B?

Yes, when medical necessity is documented per the relevant Local Coverage Determination. Most MACs require four weeks of conservative care without at least 50% wound area reduction before initiating Q4100-series cellular therapies on diabetic foot ulcers and venous leg ulcers. Healix360–coordinated clinicians prospectively document those criteria so therapy can begin on schedule, and the product itself plus the application CPT (15271–15278) are both billed to Part B.

How is Medicare Advantage different for mobile wound care?

Medicare Advantage (Part C) plans must cover the same services as Original Medicare, but they may apply prior authorization, network restrictions, and plan-specific copays instead of the standard 20% coinsurance. Some plans require step therapy through lower-cost dressings before approving advanced biologics. Healix360 verifies MA benefits, secures prior authorizations, and confirms in-network status before the first scheduled visit so there are no billing surprises.

What is LCD L35041 and why does it matter to me?

LCD L35041 is the Local Coverage Determination that defines what wound care services Medicare covers, including documentation standards for debridement frequency, dressing selection, and progress monitoring. As a patient, you don't have to read it—but the clinicians coordinated by Healix360 document each visit specifically to its requirements, which is why our claims are paid at high first-pass rates and patients rarely receive surprise denials or appeals.

Will I get a separate facility fee bill for a home visit?

No. A facility fee is a charge that hospital outpatient departments (HOPDs) bill on top of the physician's professional fee. Because mobile wound care is delivered in the home (POS 12) and not in a hospital, there is no facility fee. You will see only one professional fee billed to Medicare for each visit—generally far less than the combined professional plus facility fee for the same service performed at a hospital wound center.

Can I receive mobile wound care during a Part A SNF stay?

Yes. The SNF receives a bundled per-diem payment under Part A that covers room, board, and routine nursing services, but professional fees for physician or nurse practitioner specialist visits remain billable to Part B and are not bundled. Healix360–coordinated wound specialists routinely visit patients during Part A SNF stays and bill the professional services to Part B without any cost impact to the SNF.

I'm dual-eligible for Medicare and Medi-Cal. What will I pay?

Patients dual-eligible for Medicare and California Medi-Cal (or Medicaid in other states) generally pay nothing out of pocket. Medicare pays 80% as the primary payer, and Medi-Cal acts as the secondary payer for the deductible and 20% coinsurance, subject to state-specific cost-sharing rules. Healix360 intake confirms both coverages before the first visit and handles dual-claim submission.

Do I need a referral to start mobile wound care?

A formal referral is not required to initiate care—patients, family members, hospital discharge planners, SNF directors of nursing, and home health agencies can all request Healix360 coordination directly by calling 877-545-1300. We will, however, coordinate with your primary care provider to keep them informed and ensure continuity of your overall care plan, including communication of wound assessments, debridement notes, and treatment decisions.

How quickly can a Healix360-coordinated visit be scheduled?

Most initial home evaluations are scheduled within 24 to 72 hours of the intake call, depending on geography, urgency, and benefit verification timing. Medicare Advantage prior authorizations may add a few days but Healix360 expedites these on a clinical-urgency basis. Same-day visits are sometimes possible for urgent post-discharge wounds when capacity allows in your service area.

Call 877-545-1300 or request a provider to begin care. Healix360 serves Southern California and Nevada and accepts Medicare Part B and most major insurance plans.