Explore our database of over 10000 laboratory markers.

Search and Understand 10000 Biomarkers

Essential and Metabolic Fatty Acids Markers (RBCs)

Optimal range:   0.43 - 1.49 mcg/mL

Coenzyme Q10 (ubiquinone, Q10 or UQ) is structurally related to vitamin E and is part of the mitochondrial respiratory chain in many organisms. It is essential for cellular energy production and also acts as an antioxidant in the body. Coenzyme Q10 is ingested with food, but it can also be produced inside the human body. Due to their high levels of energy turnover, heart, lungs and liver exhibit particularly high concentrations of Q10.

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NutriStat Basic Profile, US BioTek

Optimal range:   1.27 - 4.29 ug/mgCR

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Coffee

Bloodspot

1019 IgG Food Antibodies - Bloodspot, Genova Diagnostics

Reference range:   None Detected, Very Low, Low, Moderate, High

The Coffee marker measures IgG antibodies to proteins found in coffee. Results are reported as none detected, very low, low, moderate, or high. These levels reflect immune exposure and recognition rather than caffeine sensitivity or a true coffee allergy. Interpretation should consider symptom patterns, intake frequency, and overall lifestyle factors.

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LabCorp (various), Labcorp: What It Is, What It Tests, and How to Get Your Lab Results

Reference range:   Negative, Positive

A cold agglutinin test may be used to help detect cold agglutinin disease and determine the cause of a person’s hemolytic anemia. It may be used as a follow-up test after a complete blood count (CBC) shows a decrease in a person’s red blood cell (RBC) count and hemoglobin, especially if these findings are linked to an exposure to cold temperatures.

Cold agglutinin disease is a rare autoimmune disorder in which autoantibodies produced by a person’s immune system mistakenly target and destroy RBCs, causing hemolytic anemia. These autoantibodies are cold-reacting and can cause signs and symptoms related to anemia after an affected person is exposed to cold temperatures. This disease may be classified as either primary or secondary, triggered by an infection or other condition.

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Array 5 Multiple Autoimmune Reactivity Screen, Cyrex Laboratories

Optimal range:   0.2 - 1.5 ELISA Index

Function:

Collagen is a group of proteins found in the flesh and connective tissues. The most abundant protein of the human body, Collagen is the main component of connective tissue. Collagen is found in tissues such as tendon, ligament and skin, and is also abundant in cornea, cartilage, bone, blood vessels, the gut, and intervertebral disc. The fibroblast is the most common cell which creates collagen. In muscle tissue, collagen serves as a major component of the endomysium.

Antibodies Appear:

Arthritis [4]

Goodpasture’s Syndrome (*rat study) [1]

Type 1 Bullous SLE [3]

Known Cross-Reactions:

Clostridium botulinum, RNA polymerase 20–32, Streptococcus pyogenes; [1] Porphyromonas gingivalis; [5,6] Klebsiella; [7] Chicken collagen; [8] Cow, Pig, Goat and Dog collagen; [9] Cow gelatin [10]

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Gut Zoomer by Vibrant Wellness, Vibrant Wellness

Optimal range:   0 - 20 Units

Collinsella is a normal gut bacterium involved in carbohydrate metabolism and gut barrier function. However, elevated levels are strongly linked to inflammation, metabolic imbalance, and reduced gut lining integrity. Low or high levels may reflect dysbiosis, dietary habits, digestive stress, or early signs of metabolic dysfunction.

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2200 GI Effects Comprehensive Profile - Stool, Genova Diagnostics

Optimal range:   0 - 130000000 CFU/g stool

- Possibly proinflammatory, may play a role in altering intestinal barrier integrity.

- Produces H2, ethanol, short-chain fatty acids including butyrate, and lactate and is a major utilizer of lactose.

- Contains bile salt hydrolases to metabolize bile, and along with Bifidobacterium, can modify bile acids to modulate the virulence and pathogenicity of enteric pathogens. 

- Consumes oligosaccharides and simple sugars

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Color

Urine

Urinalysis

Reference range:   Yellow, Red, Hazy, Light orange, Dark Yellow, Dark Brown, Colorless

The color of your urine changes with your hydration level but may also change due to pigments in your food or while taking medication. Certain color changes may signal a health condition that needs medical attention.

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Color

Synovial fluid

Cell Count and Differential, Synovial Fluid, Quest Diagnostics

Reference range:   Straw/Yellow, Colorless

Color and clarity may vary. Normal synovial fluid is clear and colorless or straw-colored. Abnormal fluid may look cloudy, opaque, and/or differently colored. For example, cloudy fluid may indicate an infection, and pink or reddish fluid may indicate the presence of blood.

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GI360 stool profile, Doctor's Data

Reference range:   Brown, Other

Stool is normally brown because of pigments formed by bacteria acting on bile introduced into the digestive system from the liver. While certain conditions can cause changes in stool color, many changes are harmless and are caused by pigments in foods or dietary supplements.

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Full GI Panel, Parasitology Center, Inc. (PCI)

Reference range:   0 (No Presence), 1 (Low Presence), 2 (Moderate Presence), 3 (High Presence), 4 (Heavy Presence)

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Immune System

Optimal range:   10.3 - 20.5 mg/dL

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Immune System

Optimal range:   82 - 167 mg/dL

Measurements of serum complement components C3 is useful in the diagnosis and monitoring of immune complex disease e.g. SLE (Systemic lupus erythematosus) and some blood associated infectious diseases. Complement concentrations are acute phase proteins and may be normal, despite complement consumption, in some inflammatory and infective disorders. C3 alone is often decreased in infectious disease (septicaemia, endocarditis).

Measurement of serum complement is useful in the monitoring of specific immune complex diseases e.g SLE and infectious diseases post streptococcal disease, subacute bacterial endocarditis.

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Immune System

Optimal range:   69.2 - 273.6 ng/mL

C3 is the most abundant protein of the complement system. C3 can be cleaved in two divalent fragments, where C3b is the larger fragment. C3a is the smaller fragment that is released into the surrounding fluids. C3a can bind to receptors on basophils and mast cells triggering them to release their vasoactive amines (e.g. histamine). Because of the role of these biomarkers in anaphylaxis, C3a is called an anaphylatoxin. C3a is one of the most potent constrictors of smooth muscle cells. C3a has been shown to be a multifunctional pro-inflammatory mediator.

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Immune System

Optimal range:   12 - 38 mg/dL

Complement component 4 (C4) is a blood protein that plays an important role in your immune system. It’s part of the complement pathway—a defense system made up of several proteins that work together to help your body fight infections and clear away damaged or dead cells. A Complement C4 test measures how much of this protein is in your blood to help evaluate immune function and identify possible immune system disorders.

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Immune System

Optimal range:   215.7 - 2025.9 ng/mL

Complement C4a levels can be elevated in conditions associated with inflammation, such as autoimmune diseases, infections, and some neurological disorders. It can also be used in the evaluation of certain pregnancy-related conditions.

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Immune System

Optimal range:   5 - 8.6 mg/dL

Complement Component C1Q is a vital element in the field of immunology and diagnostic medicine, playing a crucial role in the assessment of autoimmune and inflammatory disorders. This component forms part of the complement system, a group of proteins that enhance (complement) the ability of antibodies and phagocytic cells to clear pathogens from an organism. C1Q specifically initiates the classical complement pathway, a critical part of the body's innate immune response. Testing for Complement Component C1Q levels is particularly significant in diagnosing conditions such as Systemic Lupus Erythematosus (SLE) and other rheumatic diseases.

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Immune System

Optimal range:   42 - 999999 U/mL

CH50 (Complement, Total) is a blood test that measures the overall functional activity of the complement system — a group of proteins that plays a key role in immune defense and inflammation. The normal range on most labs is 31–60 U/mL. A result reported as ">60" means complement activity reached or exceeded the upper detection limit, typically indicating an active immune or inflammatory response. Low CH50 is more clinically significant and may indicate complement deficiency, autoimmune disease, or active complement consumption.

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Immune System

Optimal range:   31 - 60 U/mL

A total complement measurement, also known as a total hemolytic complement or a CH50 measurement, checks how well the complement system is functioning.

Complement was discovered by Jules Bordet as a heat-labile component of normal plasma that causes the opsonisation and killing of bacteria. The complement system refers to a series of >20 proteins, circulating in the blood and tissue fluids. Most of the proteins are normally inactive, but in response to the recognition of molecular components of microorganisms they become sequentially activated in an enzyme cascade – the activation of one protein enzymatically cleaves and activates the next protein in the cascade.

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