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Lab Testing for Weight Loss

Before any prescription, we check your labs from the last 6 to 12 months so there are no hidden health issues. We can review results you already have or order what you need.

Basic lab work: what we require

The goal of basic lab testing is to confirm that there are no major health concerns that would prevent safe use of weight loss medications. This includes checking:

  • Kidney function
  • Liver function
  • Blood counts and electrolytes
  • Blood sugar and lipids

These tests help us make sure you’re a good candidate for medical weight loss and that your treatment plan is safe.

Optional advanced lab testing

For patients who want to take a deeper look into possible contributors to weight gain or fatigue, we offer more in-depth testing. This can include:

  • Insulin resistance testing: to identify prediabetes or metabolic issues
  • Thyroid testing: to detect low thyroid function
  • Micronutrient panels: to check vitamin D, iron, B12, and other nutrients
  • Hormone testing: to assess estrogen, progesterone, or testosterone imbalances

These labs are not required to begin your program, but they can provide valuable insight and help us personalize your care.

Why advanced labs can matter for weight loss

Weight struggles aren’t always about diet and exercise alone. In many cases, medical issues uncovered through labs are the hidden reason patients can’t lose weight despite their best efforts. Advanced testing can reveal:

  • Thyroid Function: An underactive thyroid (hypothyroidism) slows metabolism, causes fatigue, and makes weight loss frustratingly difficult.
  • Blood Sugar & Insulin Resistance: Elevated insulin or blood sugar can signal prediabetes, which fuels cravings, weight gain, and energy crashes. Addressing it improves metabolism and makes weight loss more effective.
  • Sex Hormones & Cortisol: Low testosterone in men, or changes in estrogen and progesterone in women, affect muscle mass, fat distribution, and energy. High cortisol from stress can also drive abdominal weight gain.
  • Cholesterol & Lipids: Lipid levels show cardiovascular risk but also reflect metabolic health, which often improves with the right weight loss approach.
  • Vitamin & Nutrient Levels: Deficiencies in vitamin D, B12, or iron can leave you fatigued and hinder metabolism. Correcting these supports energy and fat loss.

By identifying and addressing these hidden factors, we can create a plan that goes beyond calorie counting and targets your body’s unique needs for better, longer-lasting results.

Lab testing in Decatur, Madison, and across Alabama

We review labs for patients in our Decatur and Madison clinics and through telehealth statewide. Whether you bring recent results or need new testing, we’ll make sure you have what’s required for safe, effective care, and the option for more advanced insight if you want it. Make sure your weight loss care starts safely. Schedule your consultation today and learn what labs you need.

Dr. Traci McCormick, MD

Physician-led care

Every plan at PrecisionMD follows the protocols of Dr. Traci McCormick, MD, triple board-certified in Obesity Medicine, Lifestyle Medicine and Radiation Oncology.

Meet Dr. McCormick

Questions

About Lab Testing for Weight Loss

Still unsure? Call or text (256) 286-1888.

Yes. We require basic safety labs within the last year to ensure you’re a good candidate for weight loss medications. If you’ve had labs done with your primary care provider, we can use those results.

No problem. We can order the necessary tests for you.

Absolutely. We’re happy to review recent results so you don’t have to repeat testing unnecessarily.

No. Advanced lab testing is optional. Some patients choose it if they want to better understand underlying issues such as thyroid imbalance, insulin resistance, or nutrient deficiencies.

Sometimes. At PrecisionMD, we don’t file insurance directly for labs, but we offer very reasonable cash prices. If you prefer, we can send you to a local lab that will file insurance on your behalf, though we cannot guarantee reimbursement.

More in Weight Loss

Other options to ask about.

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Wegovy (Injection & Pill)

Wegovy (semaglutide) is an FDA-approved GLP-1 medication for long-term weight loss. We prescribe all three forms: the weekly injection, the higher-dose Wegovy HD, and the once-daily pill.

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Zepbound

Zepbound (tirzepatide) is an FDA-approved weekly injection that acts on two hormone pathways, GLP-1 and GIP, to reduce appetite and support your metabolism.

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Foundayo (Orforglipron)

Foundayo (orforglipron), approved by the FDA on April 1, 2026, is the first oral GLP-1 weight loss pill you can take at any time of day, with or without food, so the medication fits your routine instead of the other way around.

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Your first visit

Start with a conversation that isn't rushed.

Every new patient begins with a consultation: your history, your goals, and a clear plan. In person in Decatur or Madison, or by telehealth anywhere in Alabama.

Decatur · Madison · Telehealth across Alabama