Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

Why Diabetic Foot Ulcers Are a Medical Emergency

Diabetic foot ulcers — open wounds on the feet of patients with diabetes — are among the most consequential medical complications of the disease. Approximately 15% of diabetic patients will develop a foot ulcer during their lifetime, and of those who develop an ulcer, 15–25% will ultimately require amputation if the wound is not aggressively and expertly managed. Diabetes is the leading cause of non-traumatic lower extremity amputation in the United States.

At Balance Foot & Ankle in Howell and Bloomfield Township, Michigan, diabetic foot ulcer care is one of our highest-priority clinical services. We provide comprehensive wound evaluation, staging, and management coordinated with vascular surgery, infectious disease, and endocrinology as needed. The goal is always limb salvage.

The Wagner Classification System

The Wagner classification system grades diabetic foot ulcers by depth and infection status, from Grade 0 through Grade 5, and drives treatment decision-making.

Grade 0 represents a pre-ulceration or healed ulcer site — a high-pressure area with callus that has not yet broken down, or a fully epithelialized prior wound. Treatment focuses on offloading (total contact casting or offloading boot), callus removal, and preventive footwear to prevent progression to open ulceration.

Grade 1 is a superficial ulcer limited to the skin and subcutaneous tissue, without involvement of deeper structures. The wound bed may appear clean with granulation tissue or may have necrotic tissue requiring debridement. Treatment involves debridement, wound dressings appropriate to the wound bed characteristics (moisture-retentive, antimicrobial, or other specialty dressings), and total contact casting or offloading boot to eliminate plantar pressure from the wound. Most Grade 1 ulcers heal within 6–8 weeks with appropriate offloading and wound care.

Grade 2 ulcers extend to tendon, joint capsule, or bone without osteomyelitis. These wounds require more aggressive debridement, assessment for bone involvement with probe-to-bone test and imaging, and often require surgical debridement in the operating room to ensure adequate wound bed preparation. Offloading and wound care continue as for Grade 1.

Grade 3 ulcers have deep infection with osteomyelitis, abscess, or joint sepsis. These are surgical emergencies requiring operative debridement, bone resection or curettage, and intravenous antibiotics guided by wound cultures. Vascular assessment is essential to ensure adequate blood flow for healing after surgical intervention.

Grade 4 indicates gangrene of a portion of the forefoot. Partial foot amputation (transmetatarsal amputation or ray resection) with concurrent vascular revascularization if arterial disease is present is typically required. Grade 5 represents gangrene of the entire foot, typically necessitating below-knee amputation. Early aggressive treatment of lower-grade wounds prevents progression to these limb-threatening stages.

The Essential Role of Vascular Assessment

No diabetic foot ulcer treatment plan is complete without vascular assessment. Wounds that lack adequate arterial perfusion will not heal regardless of the quality of local wound care. Ankle-brachial index measurement and, when abnormal, referral to vascular surgery for angiography and potential revascularization is a critical component of Grade 2 and above ulcer management. Revascularization — restoring arterial flow through angioplasty, stenting, or bypass — dramatically improves wound healing and limb salvage rates in patients with concurrent peripheral arterial disease.

Total Contact Casting: The Gold Standard Offloading Device

Total contact casting (TCC) — a custom-molded fiberglass cast that distributes plantar pressure across the entire foot surface — reduces plantar pressure at ulcer sites by 80–90% compared to regular shoe wear. It is the most effective offloading device for plantar forefoot and midfoot ulcers and dramatically accelerates healing when used consistently. Healing rates with TCC exceed those of all other offloading devices in randomized trials. If you have a diabetic foot ulcer that has been treated with other offloading devices without healing, ask your podiatrist about total contact casting.

If you have diabetes and have noticed a skin break, callus that feels soft or warm at the center, or any wound on your foot — call Balance Foot & Ankle immediately at (810) 206-1402. Early evaluation and aggressive treatment of diabetic foot wounds saves limbs and lives.

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Balance Foot & Ankle — Howell & Bloomfield Township, MI

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Diabetic Foot Ulcer Treatment in Michigan

Diabetic foot ulcers require expert wound care to prevent complications and amputation. At Balance Foot & Ankle, we provide advanced wound management using evidence-based protocols for diabetic patients.

Learn About Our Diabetic Foot Care Services | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Wagner FW. “The dysvascular foot: a system for diagnosis and treatment.” Foot Ankle. 1981;2(2):64-122.
2. Armstrong DG, et al. “Diabetic foot ulcers and their recurrence.” N Engl J Med. 2017;376(24):2367-2375.
3. Lavery LA, et al. “Diabetic foot syndrome: evaluating the prevalence and incidence of foot pathology.” Diabetes Care. 2003;26(5):1435-1438.

Dr. Tom Biernacki, DPM

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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.