Explore our database of over 4000 laboratory markers.

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Yeast

Array 4 - Gluten-Associated Cross-Reactive Foods and Foods Sensitivity, Cyrex Laboratories

Optimal range:   0 - 1.5 ELISA Index

The presence of antibodies to Yeast is an indication of food immune reactivity. The offending food and its known cross-reactive foods should be eliminated from the diet. Adverse reactions to yeast manifest as inflammatory bowel disorders. Due to the inflammatory effects of Yeast, patients who exhibit high levels of antibodies to Yeast, should be assessed for increased intestinal permeability.

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Yeast

Urine

Urinalysis

Reference range:   None seen, Present

The presence of yeast in a urinalysis is an important marker that can indicate a potential infection or imbalance in the urinary tract. Yeast are fungi, and their presence in urine usually suggests a yeast infection, commonly caused by the fungus Candida. This type of infection is more prevalent in women, though men can also be affected. Symptoms often include itching, burning during urination, and a thick, white discharge. Various factors can contribute to the development of a yeast infection, such as antibiotic use, which disrupts the normal bacterial balance, diabetes, which provides excess sugar that can promote yeast growth, or a weakened immune system. Detecting yeast in a urinalysis involves examining a urine sample under a microscope.

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Yeast

GI360 stool profile, Doctor's Data

Reference range:   Not Detected, Moderate, Many, Rare, Few

Yeast may normally be present in small quantities on the skin, in the mouth and intestine. While small quantities of yeast may be normal, yeast observed in higher quantities is considered abnormal.

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Yersinia enterocolitica

Array 12 – Pathogen-Associated Immune Reactivity Screen, Cyrex Laboratories

Optimal range:   0.2 - 1.8 ELISA Index

Y. enterocolitica is a gram-negative, bacillus-shaped bacterium. Y. entrocolitica can be short-lived as an infection. However, even if the infection is treated successfully, due to the action of various bacterial toxins and mimicry with human tissue, continued immune responses against these toxins may result in various inflammatory and autoimmune disorders, such as inflammatory bowel disease, autoimmune thyroid disease, uveitis, Lyme-associated disorders and even reactive arthritis.

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Yersinia enterocolitica

GI-MAP Interpretive Guide by Diagnostic Solutions, Diagnostic Solutions Laboratory | GI-MAP & Food Sensitivity Tests

Optimal range:   0 - 99999 Units

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Yersinia enterocolitica

2200 GI Effects Comprehensive Profile - Stool, Genova Diagnostics

Reference range:   No Growth, Non-Pathogen, Potential Pathogen, Pathogen

Y. enterocolitica is a gram-negative, bacillus-shaped bacterium. Y. entrocolitica can be short-lived as an infection. However, even if the infection is treated successfully, due to the action of various bacterial toxins and mimicry with human tissue, continued immune responses against these toxins may result in various inflammatory and autoimmune disorders, such as inflammatory bowel disease, autoimmune thyroid disease, uveitis, Lyme-associated disorders and even reactive arthritis.

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Yersinia species

The GI – Advanced Profile (US BioTek), US BioTek

Optimal range:   0 - 1 x10^5 CFU/g

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Yersinia species

Complete Microbiome Mapping (NutriPATH), NutriPATH

Optimal range:   0 - 1 x10^5 CFU/g

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YO Ab Screen, IFA, Serum

Serum

YO AB Screen w/Reflex to Titer and WB, Serum, Quest Diagnostics

Reference range:   Negative, Positive, Fluorescence noted

The YO Ab Screen, IFA (Immunofluorescence Assay), Serum test is a crucial diagnostic marker used primarily in neurology and oncology to detect paraneoplastic neurological syndromes, especially paraneoplastic cerebellar degeneration (PCD) associated with ovarian and breast cancers. This test identifies anti-Yo antibodies, indicative of an autoimmune response where the body's immune system mistakenly targets its own central nervous system tissues in reaction to cancer. The use of IFA, a highly sensitive technique, allows for the precise detection of these antibodies. A positive result can be an early indicator of an underlying malignancy, often before the cancer is clinically identifiable. This test is instrumental in guiding the diagnosis and management of PCD and aids in the early detection and treatment of associated cancers. The YO Ab Screen, IFA, Serum test exemplifies the intersection of neurology and oncology in modern diagnostics, emphasizing the significance of specialized testing in early cancer detection and the management of its neurological complications.

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Yogurt

Array 10 - Multiple Food Immune Reactivity Screen, Cyrex Laboratories

Optimal range:   0.1 - 2 ELISA Index

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Yogurt, IgG

240 Food Panel: IgA, IgG, IgG4 (US BioTek), US BioTek

Reference range:   Very Low, Low, Moderate, High, Very High

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Your Omega-3 Index

OmegaQuant, OmegaQuant

Optimal range:   8 - 12 %

The Omega-3 Index is the proportion of long-chain omega-3s, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), of all fatty acids in your red blood cell membranes. It reflects the omega-3 status of your body over the last 4 months, similar to how hemoglobin A1C reflects long-term glucose blood levels. As a part of an overall healthy lifestyle, an Omega-3 Index in the 8-12% range may help to maintain heart, brain, eye and joint health.

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Your Trans Fat Index

OmegaQuant, OmegaQuant

Optimal range:   0 - 1 %

The Trans Fat Index is the percent of 18:1 and 18:2 trans fatty acids of total fatty acids in red blood cell membranes, and the desirable range is <1%.

Trans fatty acids (or trans fats) in our blood come only from the food we eat because our bodies cannot make them.

Trans fats in the diet come from two sources:

1) industrial production by the "partial hydrogenation" of vegetable oils, in which liquid oils are converted into solid fats to be used in processed foods,

2) meat and milk products of ruminant animals, like cows and goats.

The fattyacids that make up the Trans Fat Index were chosen because they were typically found in processed foods, but a small amount may come from ruminant sources.

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Z SCORE (FEMALE)

Quest Diagnostics, Quest Diagnostics

Optimal range:   -2 - 2 SD

A Z-score compares your bone density to the average bone density of people your own age and gender.

For example, if you are a 50-year-old female, a Z-score compares your bone density to the average bone density of 50-year-old females.

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Z SCORE (MALE)

Quest Diagnostics, Quest Diagnostics

Optimal range:   -2 - 2 SD

A Z-score compares your bone density to the average bone density of people your own age and gender.

For example, if you are a 50-year-old female, a Z-score compares your bone density to the average bone density of 50-year-old females.

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Zearalenone

MycoTOX Profile (Mold Exposure), Mosaic Diagnostics

Optimal range:   0 - 3.2 ng/g creatinine

Zearalenone (ZEA) is a mycotoxin that is produced by the mold species Fusarium, and has been shown to be hepatotoxic, haematotoxic, immunotoxic, and genotoxic. ZEA is commonly found in several foods in the US, Europe, Asia, and Africa including wheat, barley, rice, and maize.

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Zearalenone

Mycotoxin Panel (RealTime Laboratories), RealTime Laboratories

Optimal range:   0 - 0.5 ppb

Zearalenone (ZEA) is a mycotoxin that is produced by the mold species Fusarium, and has been shown to be hepatotoxic, haematotoxic, immunotoxic, and genotoxic. ZEA is commonly found in several foods in the US, Europe, Asia, and Africa including wheat, barley, rice, and maize.

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Zearalenone (ZEN)

Total Tox-Burden, Vibrant Wellness

Optimal range:   0 - 0.38 ng/g

Zearalenone (ZEN), a potent mycotoxin commonly found in contaminated crops, is increasingly recognized as a critical marker in Total Tox Burden panels due to its significant impact on health. Produced primarily by Fusarium species of fungi, ZEN is often detected in a variety of agricultural products, including cereals, maize, and other grains, especially under conditions favoring fungal growth, such as high humidity and temperature. Structurally similar to natural estrogenic compounds, ZEN exhibits strong estrogenic activity, leading to potential endocrine disruption in both humans and animals. This mycotoxin binds competitively to estrogen receptors, potentially causing reproductive disorders, immunological effects, and even carcinogenic outcomes.

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Zearalenone - IgE

Serum

Serum Antibody Testing for Mycotoxins, MyMycoLab

Optimal range:   0 - 0.15 Units

Zearalenone (ZEN) is a mycotoxin produced by several species of Fusarium fungi, commonly found in cereals like maize, wheat, barley, and other crops. ZEN is known for its estrogenic activity because it structurally resembles estrogen and can mimic its effects in animals and humans. This mycotoxin can enter the food chain through contaminated grain-based products, and humans can be exposed to it by consuming contaminated food or animal products.

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Zearalenone - IgG

Serum

Serum Antibody Testing for Mycotoxins, MyMycoLab

Optimal range:   0 - 0.15 Units

Zearalenone (ZEN) is a mycotoxin produced by several species of Fusarium fungi, commonly found in cereals like maize, wheat, barley, and other crops. ZEN is known for its estrogenic activity because it structurally resembles estrogen and can mimic its effects in animals and humans. This mycotoxin can enter the food chain through contaminated grain-based products, and humans can be exposed to it by consuming contaminated food or animal products.

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