Explore our database of over 4000 laboratory markers.

Search and Understand 4000+ Biomarkers

5b-Tetrahydrocortisol (Pre-menopausal)

Hormone & Urinary Metabolites Assessment Profile, Doctor's Data

Optimal range:   900 - 2600 ng/mg Creat/Day

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5OH-Hexanoic Acid

Organic Acids, Comprehensive, Quantitative, Quest Diagnostics

Optimal range:   0 - 0 mmol/mol creatinine

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6-Sulfatoxymelatonin (1st Morning)

Urine

Balance Hormone Profile (Dried Urine), Meridian Valley Lab

Optimal range:   17.7 - 84.4 ug/g Creatinine

Urinary 6-Sulfatoxymelatonin (MT6s) is the main metabolite of melatonin.

Melatonin assists in the body’s sleep/wake cycle and is also a very powerful antioxidant. Primary production is in the pineal gland. The GI mucosa is a significant source secondary production, with retina, bone marrow, platelets, skin, and lymphocytes all producing smaller amounts. GI-produced melatonin has paracrine effects (=affects adjacent cells) and does not enter general circulation. MT6s itself has no physiologic activity, but is a good indicator of whole body melatonin production. Low urinary MT6s is an indication for melatonin supplementation. It is normal to see elevated urinary values with supplemented doses higher than 1mg.

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66 KD (IGG) Band

Lyme Testing

Optimal range:   0 - 0.001 Units

Two types of antibodies are detected in the Western blot test.

This particular marker is called 66 KD (IGG) Band and hence is a IgG antibody marker. IgG antibodies are a sign of an older infection. In contrast, IgM antibodies reflect a relatively recent infection. 

IgM antibodies usually disappear after eight weeks post-exposure. 
IgG remains in the serum for a very long time. 

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7-keto DHEA

ZRT Laboratory (Salivary Steroids), ZRT Laboratory

Optimal range:   41 - 130 pg/mL

7-keto DHEA (also known as 7-oxo DHEA) is a steroid produced by metabolism of DHEA.

It is not directly converted to testosterone or estrogen.

7-keto DHEA is rapidly absorbed when given as a supplement and converted to its sulfate derivative. It is commonly used to produce the metabolic effects of DHEA while avoiding metabolism into estrogens or androgens, and clinical research supports its role in benefiting metabolism and weight management. Endogenous 7-keto DHEA may have some anticortisol activity through enzyme competition which in the case of hypercortisolism may be beneficial to the adverse effects of cortisol on metabolic syndrome. Most studies on 7-keto DHEA are on improving the metabolic rate where there appears to be improvement in metabolism despite being on a low caloric diet. There is also limited information that 7-keto DHEA may act to increase levels of T3 while patients are on a caloric restricted diet.

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8 OH-deoxyguanosine

Urine

NutriStat Basic Profile, US BioTek

Optimal range:   0 - 12 ng/gCR

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8-Hydroxy-2'-deoxyguanosine

OMX Organic Metabolomics / Diagnostic Solutions, Diagnostic Solutions Laboratory

Optimal range:   0 - 6.4 nmol/mg Creatinine

8-hydroxy-2-deoxyguanosine measures the oxidative impact to DNA. 8-hydroxy-2-deoxyguanosine levels will be high if your total antioxidant protection is inadequate.

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8-Hydroxy-2-deoxyguanosine

Organix Comprehensive Profile - Urine, Genova Diagnostics

Optimal range:   0 - 7.6 ng/mg creatinine

8-hydroxy-2-deoxyguanosine measures the oxidative impact to DNA. 8-hydroxy-2-deoxyguanosine levels will be high if your total antioxidant protection is inadequate.

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8-Hydroxy-2-deoxyguanosine

3301 Organix Comprehensive Profile - Urine (mmol/mol creatinine), Genova Diagnostics

Optimal range:   0 - 15 mmol/mol creatinine

8-hydroxy-2-deoxyguanosine measures the oxidative impact to DNA. 8-hydroxy-2-deoxyguanosine levels will be high if your total antioxidant protection is inadequate.

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8-Hydroxy-2-deoxyguanosine

3102 ION (Blood/Urine) Amino Acids 40, Genova Diagnostics

Optimal range:   0 - 15 mcg/mg creatinine

8-hydroxy-2-deoxyguanosine measures the oxidative impact to DNA. 8-hydroxy-2-deoxyguanosine levels will be high if your total antioxidant protection is inadequate.

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8-hydroxy-2-deoxyguanosine (Pre-menopausal)

Hormone & Urinary Metabolites Assessment Profile, Doctor's Data

Optimal range:   0 - 7.5 ng/mg Creat/Day

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8-hydroxy-2’-deoxyguanosine (male)

Hormone & Urinary Metabolites Assessment Profile, Doctor's Data

Optimal range:   0 - 7.7 ng/mg Creat/Day

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8-hydroxy-2’-deoxyguanosine (Post-menopausal)

Hormone & Urinary Metabolites Assessment Profile, Doctor's Data

Optimal range:   0 - 7.5 ng/mg Creat/Day

8-hydroxy-2’-deoxyguanosine is marker resulting from DNA damage due to oxidative stress.

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8-OHdG

Urinary Hormones, Vibrant Wellness

Optimal range:   0 - 4.77 mcg/g

8-hydroxy-2’-deoxyguanosine (8-OHdG, or 8-oxodG) is a marker of oxidative stress. Urinary 8-OHdG, in particular, has been measured most frequently to indicate the extent of oxidative damage. guanine is most prone to oxidation. Guanine molecule, one of the four main nucleobases found in the nucleic acids DNA, oxidizes to produce the modified 8-OHdG which acts as one of the predominant forms of free radical-induced lesions of DNA. Oxidative modified DNA in the form of 8-OHdG can be quantified to indicate the extent of DNA damage

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8-OHdG (urine)

Essential and Metabolic Fatty Acids Markers (RBCs)

Optimal range:   0 - 15 mcg/g Creat.

8-hydroxy- 2’-deoxyguanosine (8-OHdG) is a byproduct of oxidative damage to guanine bases in DNA.

It is used as a biomarker for oxidative stress and carcinogenesis. It has been studied to estimate DNA damage after exposure to carcinogens including tobacco smoke, asbestos fibers, heavy metals, and polycyclic aromatic hydrocarbons.

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8-OHdG (urine)

Metabolimix+, Genova Diagnostics

Optimal range:   0 - 15 mcg/g Creat.

8-hydroxy- 2’-deoxyguanosine (8-OHdG) is a byproduct of oxidative damage to guanine bases in DNA. It is used as a biomarker for oxidative stress and carcinogenesis.

It has been studied to estimate DNA damage after exposure to carcinogens including tobacco smoke, asbestos fibers, heavy metals, and polycyclic aromatic hydrocarbons.

8-OHdG levels are positively associated with markers of inflammation and evening cortisol, indicating that increased physiological or psychosocial stress is associated with increased oxidative damage.

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8-OHdG (Waking)

Neurotransmitter Metabolites (Urine) - DUTCH, Precision Analytical (DUTCH)

Optimal range:   0 - 5.2 ng/mg

8-OHdG measures the effect of endogenous oxidative damage to DNA. The marker is used to estimate the risk for various cancers and degenerative diseases. Adjusting treatments and lifestyle to minimize the presence of 8-OHdG is a productive step toward health and longevity.

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8-OHdG (Waking) (Male)

Nutritional Organic Acids (Urine) - DUTCH, Precision Analytical (DUTCH)

Optimal range:   0 - 8.8 ng/mg

8-OHdG measures the effect of endogenous oxidative damage to DNA. The marker is used to estimate the risk for various cancers and degenerative diseases. Adjusting treatments and lifestyle to minimize the presence of 8-OHdG is a productive step toward health and longevity.

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93 KD (IGG) Band

Lyme Testing

Optimal range:   0 - 0.001 Units

Two types of antibodies are detected in the Western blot test.

This particular marker is called 93 KD (IGG) Band and hence is a IgG antibody marker. IgG antibodies are a sign of an older infection. In contrast, IgM antibodies reflect a relatively recent infection. 

IgM antibodies usually disappear after eight weeks post-exposure. 
IgG remains in the serum for a very long time. 

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a-1 (female)

Plasma

Boston Heart HDL Map Test, Boston Heart Diagnostics

Optimal range:   45 - 100 mg/dL

Low a-1 level is a significant predictor of recurrent CVD events.

The marker α-1 from the Boston Heart HDL Map test is a key player in understanding cardiovascular health. HDL, or high-density lipoprotein, often called "good cholesterol," helps carry cholesterol away from the arteries to the liver, where it can be removed from the body. Among the different types of HDL, α-1 is the most mature and efficient at clearing cholesterol from the bloodstream. When levels of α-1 HDL are low, it’s a red flag because it significantly increases the risk of recurring heart problems.

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