Metabolism

Metabolism Tests show how your body turns food into energy and how well key systems—glucose control, fats, thyroid, liver, and electrolytes—are working. Many metabolic problems develop quietly and first appear as abnormal labs before symptoms. Proactive testing can reveal insulin resistance, unhealthy lipid patterns, low-grade inflammation, or thyroid shifts that affect weight, energy, and long-term heart risk.

A practical starting point is A1c/fasting glucosefasting insulin, a lipid panel (with ApoB and Lp(a) for risk refinement), hs-C... See more

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Blood, Serum
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Serum, Blood
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The 5-HIAA 24 Hour Urine Test evaluates serotonin metabolism by measuring 5-hydroxyindoleacetic acid excreted over 24 hours. Elevated levels are often linked to carcinoid tumors or neuroendocrine disease, while low levels may reflect impaired serotonin activity. This test provides insight into endocrine health, hormone regulation, and systemic conditions affecting metabolic balance.

Urine
Phlebotomist

The Albumin Test measures albumin, the main protein made by the liver that maintains fluid balance and transports hormones, vitamins, and medications. Low albumin may indicate liver disease, kidney problems, malnutrition, or chronic inflammation, while high levels may reflect dehydration. Doctors order this test to evaluate swelling, fatigue, or abnormal labs. Results provide key insight into nutritional status, liver and kidney function, and overall metabolic health.

Serum
Phlebotomist
Also Known As: ALB Test

The ALP Test measures alkaline phosphatase enzyme levels in blood to evaluate liver, bone, and bile duct health. High ALP may indicate liver disease, bile duct obstruction, bone disorders, or certain cancers, while low levels may suggest malnutrition or deficiency. Doctors order this test to investigate symptoms like fatigue, abdominal pain, or bone pain and often pair it with other liver function tests. Results provide key insight into metabolic and organ health.

Serum
Phlebotomist
Also Known As: Alkaline Phosphatase Test, Alk Phos Test, Alkp Test

The ALT Test measures alanine aminotransferase, an enzyme mainly found in the liver. Elevated ALT may indicate liver damage from hepatitis, fatty liver disease, cirrhosis, alcohol use, or medication effects. Doctors order this test to evaluate symptoms such as fatigue, abdominal pain, or jaundice and often pair it with AST for accurate liver assessment. Results provide essential insight into liver health, enzyme activity, and overall metabolic function.

Serum
Phlebotomist
Also Known As: Alanine Aminotransferase Test, GPT Test, SGPT Test, Serum Glutamic Pyruvic Transaminase Test

The Amino Acid Analysis for MSUD Plasma Test evaluates amino acid levels in plasma to aid in detecting and monitoring maple syrup urine disease. This inherited metabolic disorder is characterized by the body’s inability to properly break down branched-chain amino acids. By measuring leucine, isoleucine, and valine, the test identifies metabolic imbalances and provides valuable data for assessing disease progression and treatment response.

Plasma-Unspecified Vial Pour
Phlebotomist

The Amino Acid Analysis Plasma Test measures levels of essential and non-essential amino acids in blood to evaluate metabolic health, nutritional status, and inherited disorders. Abnormal results may indicate malnutrition, liver disease, kidney dysfunction, or inborn errors of metabolism. Doctors order this test for patients with developmental delays, unexplained weakness, or metabolic concerns. Results help guide diagnosis, treatment, and nutritional management.

Plasma-Unspecified Vial Pour
Phlebotomist
Also Known As: Amino Acids Test

The Ammonia Plasma Test measures ammonia levels in blood to evaluate liver function and metabolic health. Elevated ammonia may result from liver disease, cirrhosis, Reye’s syndrome, or urea cycle disorders, causing confusion or altered mental status. Doctors order this test for patients with unexplained behavioral changes, lethargy, or suspected hepatic encephalopathy. Results provide key insight into liver function, metabolic disorders, and treatment monitoring.

Plasma-Unspecified Vial Pour
Phlebotomist
Also Known As: NH3 Test, NH3 Plasma Test, Ammonia Blood Test

The Apolipoprotein A1 and B Test measures Apo A1, the main protein in HDL cholesterol, and Apo B, the primary protein in LDL and VLDL cholesterol. Together, these markers and the ApoB/A1 ratio provide a clearer picture of cardiovascular risk than standard lipid panels. High ApoB or low Apo A1 may signal heart disease, stroke, or atherosclerosis. Doctors use this test to evaluate cholesterol balance, monitor therapy, and guide prevention of cardiovascular conditions.

Serum
Phlebotomist
Also Known As: Apo A1 and B Test, Apolipoprotein Evaluation Test

The AST Test measures aspartate aminotransferase, an enzyme found in the liver, heart, muscles, and other tissues. Elevated AST may indicate liver disease, heart attack, muscle injury, or other organ damage. Doctors order this test to evaluate symptoms such as fatigue, weakness, or jaundice and often pair it with ALT for accurate liver assessment. Results provide key insight into liver function, muscle health, and overall metabolic balance.

Serum
Phlebotomist
Also Known As: Aspartate Aminotransferase Test, Serum Glutamic-Oxaloacetic Transaminase Test, SGOT Test

The Basic Metabolic Panel (BMP) Test measures eight markers, including glucose, calcium, sodium, potassium, chloride, carbon dioxide, BUN, and creatinine, to evaluate kidney function, blood sugar, and electrolyte balance. Doctors use this panel to detect diabetes, dehydration, and kidney disease, or to monitor treatment. It is commonly ordered in routine exams, emergency care, or pre-surgical testing to assess overall metabolic and organ health.

Serum
Phlebotomist
Also Known As: BMP Test, Chemistry Panel, Chemistry Screen, Chem 7, Chem 11, SMA 7, SMAC7, Basic Metabolic Test, Chem Test, Chem Panel Test 

The Bilirubin Direct Test measures conjugated bilirubin in the blood to assess liver function and bile duct health. Elevated levels may indicate hepatitis, cirrhosis, gallstones, or bile duct obstruction, while low levels are generally normal. Doctors order this test for patients with jaundice, fatigue, or suspected liver disease. Results help diagnose and monitor liver disorders, guide treatment decisions, and evaluate overall hepatic and biliary health.

Serum
Phlebotomist
Also Known As: Direct Bilirubin Test

The Fractionated Bilirubin Test separates total bilirubin into direct and indirect forms to assess liver and blood health. Elevated direct bilirubin may point to hepatitis, cirrhosis, or bile duct obstruction, while elevated indirect levels can signal hemolytic anemia or inherited disorders. Doctors order this test for jaundice, anemia, or suspected liver conditions. Results help guide diagnosis, treatment, and monitoring of liver and blood disorders.

Serum
Phlebotomist
Also Known As: Fractionated Bilirubin Test

The Vitamin B7 Test measures biotin levels in the blood to assess nutritional status and detect deficiency. Biotin is essential for energy metabolism, enzyme activity, and maintaining healthy hair, skin, and nails. Low levels may result from poor diet, genetic conditions, alcoholism, or long-term antibiotic use, leading to fatigue, hair loss, or skin rashes. Doctors use this test to diagnose deficiency, monitor supplementation, and support overall metabolic health.

Also Known As: Biotin Test

The BUN Creatinine Ratio Test compares blood urea nitrogen (BUN) to creatinine levels to assess kidney function and hydration status. A high ratio may indicate dehydration, gastrointestinal bleeding, or high protein intake, while a low ratio can suggest liver disease or malnutrition. Doctors order this test with kidney panels to evaluate fatigue, swelling, or abnormal lab results. Results help diagnose renal issues and guide treatment planning.

Serum
Phlebotomist
Also Known As: Blood Urea Nitrogen to Creatinine Ratio

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The High-Sensitivity C-Reactive Protein (hs-CRP) Test measures very low levels of CRP in blood to evaluate inflammation and cardiovascular risk. Elevated hs-CRP may indicate increased risk for heart disease, heart attack, or stroke even before symptoms appear. Doctors use this test along with cholesterol and other markers to assess overall heart health, guide prevention strategies, and monitor treatment. It also helps evaluate chronic inflammation and metabolic conditions.

Serum
Phlebotomist
Also Known As: Cardiac CRP Test, High Sensitivity C-Reactive Protein Test

The Calcium Micronutrient Test measures calcium levels in the blood to assess nutritional status and detect imbalances. Calcium is essential for strong bones and teeth, muscle contraction, nerve signaling, and heart function. This test helps identify deficiencies, excess, or issues with absorption and metabolism, supporting diagnosis and management of bone health, hormonal balance, and overall wellness.

Patient must be 18 years of age or older.
Serum
Phlebotomist
Also Known As: Ca Test, Serum Calcium Test, Calcium Blood Test

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The Calcium Test measures calcium levels in blood to assess bone health, parathyroid function, and metabolic balance. Abnormal levels may indicate bone disease, parathyroid disorders, kidney disease, or certain cancers. Both low and high calcium can cause muscle spasms, weakness, or irregular heartbeat. Doctors order this test to monitor osteoporosis, kidney stones, or endocrine disorders. Results provide essential insight into bone, nerve, and overall metabolic health.

Serum
Phlebotomist
Also Known As: Ca Test, Serum Calcium Test, Calcium Blood Test

The Heavy Metals Micronutrients Blood Test Panel measures levels of arsenic, cadmium, cobalt, lead, and mercury to assess exposure and potential toxicity. These metals, found in the environment, food, or workplaces, can affect the nervous system, kidneys, bones, and overall health. This panel helps detect harmful accumulation, guide treatment, and monitor risks from environmental or occupational exposure.

Patient must be 18 years of age or older.

Serum
Phlebotomist

Serum
Phlebotomist

Serum
Phlebotomist

The Cardio IQ™ Lipoprotein Fractionation Ion Mobility Test separates and measures lipoprotein particles by size and concentration using ion mobility technology. It provides a detailed profile of LDL, HDL, and other subclasses, offering a clearer assessment of cardiovascular risk than standard cholesterol testing.

Serum
Phlebotomist
Also Known As: LDL Particle Testing, LDL Subclass Test, LDL Fractionations Test

The NMR Lipoprotein Fractionation Test uses nuclear magnetic resonance to measure particle size and concentration of LDL, HDL, and VLDL cholesterol. Unlike a standard lipid panel, it provides detailed information on lipoprotein subfractions linked to cardiovascular risk. Doctors use this test to assess heart disease risk, guide cholesterol management, and monitor therapy effectiveness. It offers deeper insight into lipid metabolism and cardiovascular health.

Serum
Phlebotomist
Also Known As: NMR Test, LDL Particle Testing, LDL Subclass Test, LDL Fractionations Test

The Differences Between Fast Metabolism and Slow Metabolism Tests

If you've got a metabolism that you just can't figure out, we understand. Everyone's metabolism is different. Plus, your metabolism can change over time and often does. You've probably noticed that you gain weight easier now that you're older than you did when you were in your teens, and this is completely normal. In fact, this is typical for many people. However, if you're a younger person and gain weight easily, there's no need to fret, as that's also common.

You've probably heard that people with a fast metabolism can eat anything and get away with it -- but why is this? How does a person's metabolism work? What is metabolism testing? We know you probably have a lot of questions, so without any further ado let's dive in. 

Fast Metabolism Vs. Slow Metabolism

Metabolism is a term that's thrown around quite a bit, but for all intents and purposes, it describes the internal process ... See more