How often should athletes get this panel done?

Most stable athletes do well with testing once or twice per year, while athletes correcting iron deficiency, recovering from overreaching, or addressing specific health issues often need repeat testing in 6-12 weeks. For athletes in competitive seasons or making significant training changes, quarterly testing may provide valuable insights into training adaptation and recovery status.

Can this panel detect overtraining syndrome?

While blood tests cannot confirm overtraining by themselves, the most useful pattern includes elevated CRP above 3 mg/L, persistently high creatine kinase after rest, borderline low testosterone or thyroid hormones, and worsening symptoms despite recovery days. The panel helps identify biomarkers associated with overreaching, but clinical symptoms and training context are equally important for diagnosis.

Should I avoid exercise before this test?

Timing matters as ferritin, creatine kinase, liver enzymes, CRP, and cortisol can all be misleading if tested the morning after a race or brutal training session. It's recommended to avoid intense exercise for 24-48 hours before testing to get accurate baseline measurements that reflect your true recovery status rather than acute exercise effects.

What time of day is best for this test?

Morning collection between 7 and 10 a.m. is best for testosterone and cortisol measurements, as these hormones follow natural daily rhythms with peak levels in the morning. The 8-12 hour fasting requirement also makes morning testing most convenient, and consistent timing allows for better comparison if you repeat the test in the future.

Can this panel help with performance plateaus?

This panel screens for fixable issues that limit performance such as iron deficiency, low vitamin D, and electrolyte imbalances, while also helping stratify risk for metabolic health issues. The biomarkers can catch iron depletion, low energy availability, and muscle breakdown much earlier than general screening alone, helping identify potential limiting factors in performance.

Fitness & Performance

Fitness and Performance Panel

A comprehensive panel measuring 8 key biomarkers to assess athletic performance, recovery status, and metabolic health in active individuals.

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Blood Fasting required

Medical review: pending. This content is for informational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider about your specific situation.

What this test measures

This comprehensive panel evaluates the biology behind energy, recovery, and training adaptation by measuring oxygen-carrying capacity, hydration and electrolytes, muscle load, thyroid status, and long-term cardiometabolic health. The panel includes a comprehensive metabolic panel (CMP) to assess kidney and liver function, electrolyte balance, and blood sugar levels, providing insights into overall metabolic health and hydration status.

Hormone measurements of cortisol and testosterone help optimize hormonal balance, as these hormones play a critical role in physical performance, muscle growth, and recovery. Ferritin assessment reveals iron storage levels, which are essential for oxygen transport and energy production, as low ferritin levels may result in suboptimal physical performance and endurance. The panel also measures vitamin D levels for bone health and muscle function, magnesium for muscle contraction and energy metabolism, and C-reactive protein (CRP) to assess inflammation levels that may impact recovery and performance.

What's included

Comprehensive Metabolic Panel (CMP)

Testosterone

Cortisol

C-Reactive Protein (CRP)

Vitamin D

Ferritin

Magnesium

Iron Panel

Who should consider this test

You might consider this test if you are experiencing any of the following:

Athletes and fitness enthusiasts who want to optimize their training performance and identify potential nutritional deficiencies or hormonal imbalances that may be limiting their progress.
Individuals experiencing unexplained fatigue, decreased performance, or prolonged recovery times despite consistent training, as these symptoms may indicate underlying metabolic or hormonal issues.
Active individuals who engage in high-intensity or endurance training and want to monitor their body's response to training stress and ensure adequate recovery between sessions.
Those who have hit performance plateaus and want to identify potential limiting factors such as iron deficiency, vitamin D insufficiency, or elevated inflammation markers.
Fitness professionals and personal trainers who want to establish baseline health markers before starting intensive training programs or making significant dietary changes.

What to expect

Preparation

Fasting for 8-12 hours is recommended for optimal accuracy of glucose and lipid measurements. Water is permitted during fasting. Morning collection is preferred for cortisol and testosterone measurements to capture peak hormone levels. Avoid intense exercise 24 hours before testing to prevent artificially elevated muscle damage markers.

Sample Type

A simple blood draw from a vein in the arm, typically taking less than 5 minutes to complete.

Collection

Visit any participating laboratory location with no doctor visit required. Present your test requisition form and valid ID. A trained phlebotomist will collect the blood sample using standard venipuncture techniques.

Turnaround

Results are typically available within 2-5 business days and will be delivered securely through your online patient portal.

Understanding your results

Results should be used to fine-tune fueling, recovery, and training blocks, ideally in consultation with a clinician or sports dietitian. This comprehensive panel provides insights into multiple aspects of fitness and performance, from metabolic function to hormonal balance.

Population	Reference Range	Notes
Adult Males	Total Testosterone: 348-698 ng/dL	Testosterone levels naturally vary throughout the day, with peak levels typically in the morning
Adult Females	Total Testosterone: 9-55 ng/dL	Female testosterone levels may fluctuate with menstrual cycle phases
Adults	Vitamin D: 20-50 ng/mL (sufficiency), >30 ng/mL (optimal for many functions)	Many sports clinicians target 30-50 ng/mL, and some indoor athletes seem to recover best closer to 40-60 ng/mL
Adults	CRP: <1.0 mg/L (low baseline), 1.0-3.0 mg/L (needs context), 3.1-10.0 mg/L (high)	Elevated CRP may indicate overtraining, injury, or systemic inflammation

Reference ranges may vary by laboratory and individual factors. Results should be interpreted by a healthcare provider in the context of your overall health.

What does a “Low” result mean?

Low ferritin indicates insufficient iron stores, which is critical for energy production and a common cause of fatigue in athletes, especially women, as reduced iron levels make workouts feel harder and recovery take longer. Low testosterone levels below about 300 ng/dL in men can signal low energy availability and poor recovery. Low vitamin D levels lead to calcium mobilization from bone and can result in osteomalacia or osteoporosis in severe deficiency.

What does a “High” result mean?

Elevated CRP levels can indicate overtraining, hidden injuries, or systemic inflammation that could affect performance. High cortisol levels maintained over time can cause fatigue, difficulty sleeping, hormone imbalances, and muscle breakdown, with athletes often hitting plateaus and feeling "wired but tired." Elevated ferritin may indicate inflammation or iron overload, while high testosterone levels are uncommon but may suggest underlying medical conditions requiring further evaluation.

Privacy & confidentiality

Your test results are completely confidential and protected under HIPAA regulations. Results are not sent to your personal doctor, not added to your medical records, and do not appear on insurance explanation of benefits statements since no doctor visit is required.

Frequently asked questions

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CPT Code: 80053, 84403, 82533, 86140, 82306, 82728, 83735, 83540, 83550

This test may not be available in: NY, NJ, RI

This page is for informational purposes only and does not constitute medical advice. Always consult with a healthcare provider regarding any health concerns. LevelPanel does not diagnose, treat, or prescribe.

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