What We Test
ReachWell tests 100+ key biomarkers in a state-of-the-art, CAP-accredited lab, giving you precise, hospital-grade insight into your health.
Creatinine
Creatinine is a waste product produced by normal muscle activity. Blood levels help reflect how well the kidneys are filtering waste.
Blood Urea Nitrogen (BUN)
BUN measures the amount of urea nitrogen in your blood, a waste product from protein metabolism. Levels can reflect kidney function and hydration status.
BUN : Creatinine Ratio
This ratio compares two waste markers processed by the kidneys. It provides context that can help interpret changes in kidney-related markers.
eGFR (Estimated Glomerular Filtration Rate)
eGFR estimates how efficiently the kidneys are filtering blood. It is calculated using creatinine and other factors to provide an overall view of kidney function.
Uric Acid
Uric acid is a waste product formed when the body breaks down purines. Levels reflect how efficiently the body processes and removes this substance.
Cystatin C
Cystatin C is a protein filtered by the kidneys. It offers an additional way to assess kidney function, independent of muscle mass.
Microalbumin
Microalbumin measures small amounts of albumin in the urine. Elevated levels may indicate changes in how the kidneys filter proteins.
Albumin : Creatinine Ratio (ACR)
The ACR compares urine albumin to creatinine to account for urine concentration. It helps assess whether albumin levels are elevated relative to kidney filtration.
Cholesterol (Total, HDL, LDL, VLDL)
Cholesterol is a fat-like substance in your blood that supports essential body functions. Different types help show how cholesterol is transported and how it may relate to cardiovascular risk.
Triglycerides
Triglycerides measure the amount of fat circulating in your blood. Elevated levels can reflect how your body processes fats and sugars over time.
Non-HDL Cholesterol
Non-HDL cholesterol represents all cholesterol linked to potentially harmful particles. It provides a broader view of cardiovascular risk than LDL alone.
Remnant Cholesterol
Remnant cholesterol shows how much leftover cholesterol is circulating in your blood after your body processes fats. Higher levels may be linked to increased cardiovascular risk, even when LDL appears normal.
ApoB (Apolipoprotein B)
ApoB measures the number of cholesterol-carrying particles in your blood. Higher levels can indicate a greater concentration of particles that transport cholesterol through arteries.
ApoA1 (Apolipoprotein A1)
ApoA1 is the main protein in HDL (“good”) cholesterol. It reflects the body’s ability to transport cholesterol away from the bloodstream.
ApoC-III (Apolipoprotein C-III)
ApoC-III plays a role in how the body processes triglycerides. Higher levels may slow the breakdown of fats in the blood.
Lipoprotein (a)
Lipoprotein (a), or Lp(a), is a genetically influenced cholesterol particle. Elevated levels can contribute to cardiovascular risk independent of other cholesterol measures.
Oxidized LDL
Oxidized LDL measures LDL particles that have undergone chemical changes. These altered particles may interact differently with blood vessel walls.
LDL-P, HDL-P (Particle Count)
LDL-P and HDL-P measure the number of LDL and HDL particles in your blood. Particle count can provide additional insight beyond standard cholesterol levels.
Total Cholesterol : HDL Ratio
This ratio compares total cholesterol to HDL cholesterol. It helps show the balance between cholesterol being carried and removed from the bloodstream.
LDL : HDL Ratio
The LDL to HDL ratio compares “bad” and “good” cholesterol. It offers a simplified view of cholesterol balance.
LDL : ApoB Ratio
This ratio compares LDL cholesterol to ApoB particle count. It can help show how much cholesterol is carried per particle.
ApoB : ApoA1 Ratio
The ApoB to ApoA1 ratio reflects the balance between cholesterol-carrying and cholesterol-removing particles. It provides context about lipid balance in the blood.
Triglycerides : HDL Ratio
This ratio compares triglycerides to HDL cholesterol. It can offer insight into how the body processes fats and sugars.
Lp-PLA2
Lp-PLA2 is an enzyme linked to inflammation in blood vessels. Levels may provide insight into vascular health.
Campesterol (Cholesterol Absorption Marker)
Campesterol reflects how much cholesterol your body absorbs from food. It helps distinguish dietary absorption from internal production.
Lathosterol (Cholesterol Synthesis Marker)
Lathosterol reflects how much cholesterol your body produces internally. It provides insight into cholesterol synthesis rather than absorption.
TSH (Thyroid-Stimulating Hormone)
TSH is released by the pituitary gland to signal the thyroid. Levels reflect how the body regulates thyroid hormone production.
Free T3
Free T3 is the active form of thyroid hormone available for use by tissues. Levels reflect how much hormone is readily accessible.
Free T4
Free T4 measures the unbound form of thyroxine in the blood. It provides insight into thyroid hormone availability.
Total T3
Total T3 measures both bound and unbound triiodothyronine. It reflects overall circulating T3 levels.
Total T4
Total T4 measures both bound and unbound thyroxine. It reflects total thyroid hormone levels in the bloodstream.
Reverse T3
Reverse T3 is an inactive form of T3. Levels provide context about how the body converts thyroid hormones.
TPO Antibody (Thyroid Peroxidase Antibody)
TPO antibodies target an enzyme involved in thyroid hormone production. Their presence reflects immune activity related to the thyroid.
Thyroglobulin Antibody
Thyroglobulin antibodies target a protein used in thyroid hormone production. Levels provide insight into immune response involving the thyroid.
TSH : T4 Ratio
This ratio compares thyroid signaling to hormone output. It helps provide context about regulatory balance.
Free T3 : Free T4 Ratio
This ratio compares active and precursor thyroid hormones. It offers insight into thyroid hormone conversion.
High-Sensitivity C-Reactive Protein (hs-CRP)
hs-CRP measures low levels of inflammation in the body. It can provide insight into overall inflammatory activity over time.
Erythrocyte Sedimentation Rate (ESR)
ESR measures how quickly red blood cells settle in a test tube. Faster rates can reflect the presence of inflammation in the body.
Interleukin-6 (IL-6)
IL-6 is a signaling protein involved in immune and inflammatory responses. Levels reflect how the body communicates during inflammatory activity.
Tumor Necrosis Factor-alpha (TNF-α)
TNF-α is a cytokine that plays a role in immune system signaling. Levels provide context about inflammatory processes in the body.
Fibrinogen
Fibrinogen is a blood protein involved in clot formation and inflammation. Levels can reflect inflammatory and clotting activity.
Serum Amyloid A (SAA)
SAA is a protein that increases during inflammatory responses. Levels provide insight into short-term changes in inflammation.
Vitamin D (25-OH)
Vitamin D (25-OH) reflects vitamin D status in the body. It plays a role in bone health, immune function, and overall metabolic processes.
Vitamin B12
Vitamin B12 supports nerve function and red blood cell production. Levels reflect how well the body absorbs and stores this vitamin.
Folate (Vitamin B9)
Folate is involved in DNA synthesis and cell growth. Levels provide insight into nutrient status related to red blood cell formation.
Vitamin B6
Vitamin B6 plays a role in metabolism and nervous system function. Levels reflect how the body processes proteins and other nutrients.
Vitamin A (Retinol)
Vitamin A supports vision, immune function, and cell growth. Retinol levels reflect stored vitamin A in the body.
Vitamin K1
Vitamin K1 is involved in blood clotting and bone health. Levels reflect dietary intake and utilization of this vitamin.
Zinc
Zinc is an essential mineral involved in immune function and enzyme activity. Levels reflect overall zinc status in the body.
Copper
Copper plays a role in energy production and iron metabolism. Levels provide context about mineral balance and utilization.
Selenium
Selenium is a trace mineral involved in antioxidant processes. Levels reflect how the body supports cellular protection.
Magnesium
Magnesium supports muscle function, nerve signaling, and energy production. Blood levels provide a general view of magnesium status.
RBC Magnesium
RBC magnesium measures magnesium inside red blood cells. It offers insight into longer-term magnesium status compared to serum levels.
Hemoglobin A1c
Hemoglobin A1c reflects average blood glucose levels over the past two to three months. It shows longer-term patterns rather than day-to-day changes.
Estimated Average Glucose (eAG)
eAG translates Hemoglobin A1c into an estimated daily glucose level. It helps make longer-term glucose trends easier to understand.
Fasting Glucose
Fasting glucose measures blood sugar levels after a period without food. It provides a snapshot of how the body manages glucose at rest.
Insulin
Insulin is a hormone that helps move glucose from the bloodstream into cells. Levels reflect how the body responds to and regulates blood sugar.
C-Peptide
C-peptide is released alongside insulin. It helps show how much insulin the body is producing on its own.
HOMA-IR (Insulin Resistance)
HOMA-IR is a calculated value based on glucose and insulin levels. It provides insight into how efficiently the body responds to insulin.
Fructosamine
Fructosamine reflects average blood glucose levels over the past two to three weeks. It offers a shorter-term view of glucose trends than A1c.
Beta-Hydroxybutyrate (Ketones)
Beta-hydroxybutyrate is a ketone produced when the body uses fat for energy. Levels reflect shifts in energy metabolism.
Leptin
Leptin is a hormone involved in appetite and energy regulation. Levels provide context about how the body signals fullness and energy balance.
Adiponectin
Adiponectin is a hormone produced by fat tissue that plays a role in metabolic regulation. Levels reflect how the body manages energy and insulin sensitivity.
Sodium
Sodium is an electrolyte that helps regulate fluid balance and nerve signaling. Levels reflect how the body manages hydration and circulation.
Potassium
Potassium is an electrolyte involved in muscle function and heart rhythm. Levels reflect how the body balances electrical activity in cells.
Chloride
Chloride works with sodium to maintain fluid balance and acid-base regulation. Levels provide context about electrolyte balance.
CO₂ (Bicarbonate)
Bicarbonate helps regulate the body’s acid-base balance. Levels reflect how the body maintains pH stability.
Anion Gap
The anion gap is a calculated value based on electrolytes. It helps provide context about acid-base balance in the blood.
Phosphorus
Phosphorus is a mineral involved in bone structure and energy production. Levels reflect how the body uses and regulates this mineral.
ALT (Alanine Aminotransferase)
ALT is an enzyme primarily found in the liver. Levels can reflect how liver cells are functioning.
AST (Aspartate Aminotransferase)
AST is an enzyme found in the liver, muscles, and other tissues. Blood levels can provide context about tissue and liver activity.
AST : ALT Ratio
This ratio compares two liver-related enzymes. It helps provide additional context when interpreting changes in liver markers.
ALP (Alkaline Phosphatase)
ALP is an enzyme found in the liver, bile ducts, and bones. Levels can reflect activity in these tissues.
GGT (Gamma-Glutamyl Transferase)
GGT is an enzyme involved in liver and bile duct function. It can provide insight into how the liver processes substances.
Direct Bilirubin
Direct bilirubin measures the form of bilirubin processed by the liver. Levels reflect how efficiently bilirubin is being prepared for removal.
Total Bilirubin
Total bilirubin measures all forms of bilirubin in the blood. It provides an overview of how bilirubin is produced and cleared.
Albumin
Albumin is a protein made by the liver that helps maintain fluid balance and transport substances in the blood. Levels reflect protein production and circulation.
Globulin
Globulin is a group of proteins involved in transport and immune functions. Levels provide context about protein balance in the bloodstream.
Albumin : Globulin Ratio
This ratio compares two major blood proteins. It helps show the balance between albumin and globulin levels.
LDH (Lactate Dehydrogenase)
LDH is an enzyme found throughout the body. Levels can reflect general tissue activity or turnover.
White Blood Cell Count (WBC)
White blood cells are part of the immune system. This measure reflects the number of white blood cells circulating in the blood.
Red Blood Cell Count (RBC)
Red blood cells carry oxygen throughout the body. This measure reflects the number of red blood cells in circulation.
Hemoglobin
Hemoglobin is a protein in red blood cells that carries oxygen. Levels reflect the blood’s capacity to transport oxygen.
Hematocrit
Hematocrit measures the percentage of blood made up of red blood cells. It provides context about blood concentration and oxygen-carrying capacity.
Platelet Count
Platelets are involved in blood clotting. This measure reflects the number of platelets available to support normal clot formation.
MCV (Mean Corpuscular Volume)
MCV measures the average size of red blood cells. It helps provide context about red blood cell characteristics.
RDW (Red Cell Distribution Width)
RDW reflects variation in red blood cell size. It provides insight into differences among red blood cells circulating in the blood.
Testosterone (Total, Free, % Free)
Testosterone is a hormone involved in muscle, energy, and reproductive function. These measures show overall levels, the amount available for use, and the percentage that is unbound.
Estradiol
Estradiol is a form of estrogen involved in reproductive and metabolic processes. Levels reflect estrogen activity in the body.
Progesterone
Progesterone is a hormone involved in reproductive function and cycle regulation. Levels provide context about hormonal balance.
DHEA-S
DHEA-S is a hormone produced by the adrenal glands. It serves as a precursor to other hormones and reflects adrenal hormone production.
Androstenedione
Androstenedione is a hormone involved in the production of testosterone and estrogen. Levels reflect upstream hormone activity.
Pregnenolone
Pregnenolone is a precursor hormone used to produce many other hormones. Levels provide insight into early steps of hormone synthesis.
17-Hydroxyprogesterone
This hormone is involved in adrenal and reproductive hormone pathways. Levels help provide context about hormone production processes.
SHBG (Sex Hormone-Binding Globulin)
SHBG is a protein that binds to sex hormones in the blood. Levels affect how much hormone is available for use by tissues.
Prolactin
Prolactin is a hormone involved in reproductive and metabolic functions. Levels reflect pituitary hormone activity.
Free Androgen Index (FAI)
FAI is a calculated value using testosterone and SHBG. It estimates the amount of androgen available for biological activity.
LH, FSH (Luteinizing Hormone, Follicle-Stimulating Hormone)
LH and FSH are hormones that regulate reproductive processes. Levels reflect signaling between the brain and reproductive organs.
LH : FSH Ratio
This ratio compares two reproductive hormones. It provides context about hormonal signaling balance.
Cortisol
Cortisol is a hormone released by the adrenal glands in response to stress and daily rhythms. Levels reflect adrenal activity at the time of testing.
DHEA-S : Cortisol Ratio
This ratio compares adrenal hormones involved in energy and stress responses. It provides context about adrenal hormone balance.
Testosterone : Cortisol Ratio
This ratio compares anabolic and stress-related hormones. It offers insight into hormonal balance between energy and recovery signals.
IGF-1 (Insulin-Like Growth Factor 1)
IGF-1 is a hormone involved in growth and tissue maintenance. Levels reflect long-term growth hormone activity.
Growth Hormone (GH)
Growth hormone plays a role in growth, metabolism, and tissue repair. Blood levels reflect circulating GH at the time of measurement.
AMH (Anti-Müllerian Hormone)
AMH is a hormone involved in reproductive health. Levels provide insight into ovarian or testicular hormone activity.
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