The Diabetic Foot Exam: What to Expect and Why It Matters

Reviewed by Dr. Tom Biernacki, DPM, FACFAS

Board-certified foot & ankle surgeon · 3,000+ surgeries · @MichiganFootDoctors (950K+ subscribers)

Last reviewed May 11, 2026 · (810) 206-1402

Quick answer: Diabetic Foot Exam What To Expect Complete Guide is a common foot/ankle topic that affects many patients. Effective treatment starts with a targeted diagnosis, conservative-first treatment, and escalation only when needed. We treat this regularly at our Howell and Bloomfield Township practices. Call (810) 206-1402.

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

Diabetes is the leading cause of non-traumatic lower extremity amputation in the United States. The vast majority of diabetes-related amputations are preventable with regular podiatric monitoring and early intervention. Understanding what happens during a diabetic foot exam — and why each component matters — helps patients take an active role in protecting their feet.

Who Needs a Diabetic Foot Exam?

The American Diabetes Association recommends that every person with diabetes receive a thorough foot exam at least once per year, and more frequently if risk factors are present. High-risk patients — those with peripheral neuropathy, peripheral arterial disease (PAD), prior foot ulcers, or prior amputation — should be seen every 1–3 months.

Components of a Comprehensive Diabetic Foot Exam

1. Neurological Assessment — Peripheral Neuropathy Screening

Peripheral neuropathy is present in approximately 50% of people with diabetes and is the primary driver of ulceration risk. Loss of protective sensation means patients cannot feel pressure, friction, or injury that would normally prompt a behavioral response.

The neurological assessment includes:

• Semmes-Weinstein monofilament testing: A 10-gram monofilament is applied to standard plantar foot sites. Inability to detect the monofilament indicates loss of protective sensation and significantly elevated ulceration risk.
• Vibration testing: A 128-Hz tuning fork applied to the first metatarsal head and medial malleolus assesses large-fiber sensory function — often the first modality lost in diabetic neuropathy.
• Deep tendon reflexes: Loss of the Achilles reflex is a sensitive early indicator of peripheral neuropathy.
• Sharp/dull discrimination and temperature testing: Assess small-fiber sensory pathways involved in pain and temperature sensation.

2. Vascular Assessment — Peripheral Arterial Disease Screening

PAD — narrowing of the arteries supplying blood to the lower extremities — is two to four times more common in diabetic patients than the general population. Ischemia impairs wound healing and dramatically increases amputation risk when ulceration occurs.

Vascular assessment includes:

• Pulse palpation: Dorsalis pedis and posterior tibial pulses are assessed bilaterally. Absent pulses indicate significant arterial disease.
• Ankle-Brachial Index (ABI): The ratio of ankle to brachial systolic blood pressure. An ABI below 0.9 indicates PAD; below 0.4 indicates critical limb ischemia.
• Capillary refill time and skin temperature: Prolonged refill or cool, mottled skin indicates impaired perfusion.

3. Skin and Nail Assessment

The skin and nails are inspected for conditions that can progress to serious infection without early treatment:

• Callus formation — particularly under metatarsal heads — indicates repetitive pressure and predicts ulceration location
• Pre-ulcerative lesions: blisters, hemorrhagic callus, fissures
• Open ulcerations — classified by Wagner grade (0–5) for severity and depth
• Signs of infection: cellulitis, drainage, malodor, fluctuance
• Onychomycosis (toenail fungus) — can cause nail thickening that creates pressure on the nail bed
• Ingrown toenails — a source of bacterial entry in neuropathic patients
• Interdigital maceration and tinea pedis — bacterial superinfection risk

4. Structural and Biomechanical Assessment

Foot deformities concentrate pressure on specific areas — the primary mechanism of ulceration in neuropathic feet. Common deformities increasing ulceration risk include Charcot neuroarthropathy (rocker-bottom foot), claw and hammer toes (tip and dorsal PIP pressure), bunions, and prominent metatarsal heads in patients with intrinsic muscle atrophy (intrinsic minus foot).

Assessment includes gait analysis, range of motion testing, and weight-bearing X-rays when deformity progression is suspected.

5. Footwear Assessment

Ill-fitting footwear is a primary cause of diabetic foot ulceration. The podiatrist evaluates shoe fit, wear patterns, and internal integrity (foreign objects, rough seams). Patients at elevated risk are evaluated for therapeutic footwear — Medicare Part B covers one pair of therapeutic diabetic shoes and three pairs of custom insoles per calendar year for eligible beneficiaries under the Therapeutic Shoes for Persons with Diabetes benefit.

What Happens After the Exam

Based on risk stratification findings, the podiatrist develops a preventive management plan that may include regular callus debridement, custom orthotics, diabetic shoes, treatment of nail pathology, patient education on daily foot inspection, and referral to vascular surgery if significant PAD is identified.

For patients with active ulceration, treatment involves wound debridement, offloading with a total contact cast or removable cast walker, infection management, and coordination with the patient’s endocrinologist and vascular specialist.

Your Board-Certified Podiatrists

Dr. Tom Biernacki, DPM

Board-Certified · FACFAS

Dr. Carl Jay, DPM

Board-Certified Podiatrist

Dr. Daria Gutkin, DPM

Podiatrist

More Podiatrist-Recommended Diabetic Essentials

Diabetic-Approved Walking Shoe

Orthofeet Sprint — seamless, extra-depth, designed for neuropathic feet.

Seamless Diabetic Sock

Watch: Diabetes Peripheral Neuropathy Treatment [Diabetic Nerve Pain Remedy] — MichiganFootDoctors YouTube

View on Amazon →

OS1st FS4 — non-binding, moisture-wicking, protects fragile diabetic skin.

Recovery Slide for Indoor Wear

HOKA Ora 3 — protects diabetic feet from barefoot injury at home.

As an Amazon Associate, Balance Foot & Ankle earns from qualifying purchases. Product recommendations are based on clinical experience; prices and availability shown above update live from Amazon.

When to See a Podiatrist

One unnoticed blister on a neuropathic foot can become a limb-threatening ulcer in under 14 days. Medicare covers diabetic shoes (A5500) and comprehensive foot exams annually for most diabetic patients with neuropathy or circulation concerns. Balance Foot & Ankle runs a dedicated diabetic limb-preservation program — vascular screening, offloading, ulcer care, and shoe fitting — all in one visit. Schedule your annual diabetic foot exam today.

Call Balance Foot & Ankle: (810) 206-1402  ·  Book online  ·  Offices in Howell & Bloomfield Township

Frequently Asked Questions

When should I see a podiatrist?

If symptoms persist past 2 weeks, affect your normal activity, or are accompanied by red-flag symptoms (warmth, redness, swelling, inability to bear weight).

What does treatment cost?

Most diagnostic visits and conservative treatments are covered by Medicare and major insurers. Out-of-pocket costs vary by your specific plan.

How quickly can I get an appointment?

Most non-urgent cases see us within 5 business days. Urgent cases (sudden pain, possible fracture) typically same or next business day.

What is Diabetic foot?

Diabetic foot is a common foot/ankle condition that affects mobility and quality of life. Understanding the underlying cause is the first step in successful treatment. Our podiatrists at Balance Foot & Ankle perform a hands-on biomechanical exam, review your activity history, and use diagnostic imaging when appropriate to identify the root cause—not just treat the symptom. Many patients have been told to “rest and ice” without a deeper diagnostic workup; our approach is different.

Symptoms and warning signs

Common signs of diabetic foot include pain that worsens with activity, morning stiffness, swelling, tenderness when palpated, and difficulty bearing weight. If you experience sudden severe pain, inability to walk, visible deformity, numbness or color change, contact our office the same day or visit urgent care—these can signal a more serious injury such as a fracture, tendon rupture, or vascular compromise. Diabetics with any foot wound should seek same-day care.

Conservative treatment options

Most cases of diabetic foot respond to non-surgical care: structured rest, supportive footwear changes, custom orthotics, targeted stretching and strengthening protocols, anti-inflammatory medications when medically appropriate, and in-office procedures such as ultrasound-guided injections. We also offer advanced therapies including MLS laser therapy, EPAT/shockwave, regenerative injections, and image-guided procedures. Treatment is sequenced from least invasive to most invasive, and we explain the rationale at every step.

When is surgery considered?

Surgery is reserved for cases that fail 3-6 months of well-structured conservative care, when there is structural pathology (severe deformity, complete tear, advanced arthritis), or when imaging shows damage that will not heal without intervention. Our surgeons have performed 3,000+ foot and ankle procedures and prioritize minimally-invasive techniques whenever appropriate. We discuss recovery timelines, return-to-activity milestones, and realistic outcome expectations before any procedure is scheduled.

Recovery timeline and prevention

Recovery from diabetic foot varies based on severity and chosen treatment path. Conservative cases often improve within 4-8 weeks with consistent adherence to the protocol. Post-procedural recovery may range from a few days (in-office procedures) to several months (reconstructive surgery). Long-term prevention involves footwear assessment, activity modification, structured strengthening, and regular check-ins with your podiatrist if you have a history of recurrence. We provide written home-exercise plans and digital follow-up support.

In-Office Treatment at Balance Foot & Ankle

If home treatment isn’t providing relief for your diabetic foot conditions, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.

Dr. Tom Biernacki, DPM

Dr. Tom Biernacki, DPM is a board-certified foot & ankle surgeon (ABFAS & ABPM) 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 made him one of the most-followed foot & ankle educators on YouTube.