Explore our database of over 4000 laboratory markers.

Search and Understand 4000+ Biomarkers

Chickpea, IgG

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

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

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Chili Pepper

Array 10 - Multiple Food Immune Reactivity Screen, Cyrex Laboratories

Optimal range:   0.1 - 1.9 ELISA Index

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Chilomastix mesnili

GI360 stool profile, Doctor's Data

Reference range:   Not Detected, Detected, Few Trophs

Chilomastix mesnili is a flagellated protozoan included in the Comprehensive Stool Analysis + Parasitology (CSAP) panel by Doctor's Data, which screens for a wide range of gastrointestinal pathogens. While typically considered a non-pathogenic commensal organism, its presence may indicate exposure to contaminated food or water and serves as a marker of fecal-oral transmission. Detection is reported using microscopy and may require multi-day stool collection due to intermittent shedding. Although it generally doesn't cause symptoms or require treatment, its presence should be interpreted in the context of other findings and patient symptoms to rule out co-infections or underlying GI issues.

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Chilomastix mesnili

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

Optimal range:   0 - 100000 Units

Chilomastix mesnili is a nonpathogenic flagellate that is often described as a commensal organism in the human gastrointestinal tract.

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Chlamydia pneumoniae IgA

Chl. pneumoniae (IgG/IgM/IgA)

Reference range:   Negative (<1:16), Positive

The bacteria Chlamydia pneumoniae is spread by airborne droplets and infects the mucous membranes of the respiratory tract. These infections can be the cause of pharyngitis, laryngitis and sinusitis. A dry, hacking cough is the most common symptom of these infections. Not everyone who has mycoplasma and chlamydia in their nasopharynx gets sick - it depends on the body's resistance, but they can still infect others.

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Chlamydia pneumoniae IgG

Chl. pneumoniae (IgG/IgM/IgA)

Reference range:   Negative (<1:16), Positive

The bacteria Chlamydia pneumoniae is spread by airborne droplets and infects the mucous membranes of the respiratory tract. These infections can be the cause of pharyngitis, laryngitis and sinusitis. A dry, hacking cough is the most common symptom of these infections. Not everyone who has mycoplasma and chlamydia in their nasopharynx gets sick - it depends on the body's resistance, but they can still infect others.

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Chlamydia pneumoniae IgM

Chl. pneumoniae (IgG/IgM/IgA)

Reference range:   Negative (<1:16), Positive

The bacteria Chlamydia pneumoniae is spread by airborne droplets and infects the mucous membranes of the respiratory tract. These infections can be the cause of pharyngitis, laryngitis and sinusitis. A dry, hacking cough is the most common symptom of these infections. Not everyone who has mycoplasma and chlamydia in their nasopharynx gets sick - it depends on the body's resistance, but they can still infect others.

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Chlamydia trachomatis, NAA, Urine

Sexually transmitted disease

Reference range:   Negative, Positive

Chlamydia trachomatis is the most common cause of curable bacterial sexually transmitted infection (STI) worldwide. It manifests primarily as urethritis in males and endocervicitis in females.

Untreated chlamydial infection in man can cause epididymitis and proctitis. Though most women with Chlamydia infection are asymptomatic or have minimal symptoms, some develop salpingitis, endometritis, pelvic inflammatory disease (PID), ectopic pregnancy and tubal factor infertility. It is associated with an increased risk for the transmission or acquisition of HIV and is also attributed to be a risk factor for the development of cervical carcinoma.

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Chlamydia, NAAT, Urine

Urine

Sexually Transmitted Disease (STD) panel, Clinical Pathology Laboratories

Reference range:   Negative, Positive

Chlamydia, caused by the bacterium Chlamydia trachomatis, is one of the most prevalent sexually transmitted infections (STIs) worldwide. It primarily affects the genital tract, but can also impact the rectum, throat, and eyes. One of the key challenges in controlling Chlamydia is its often asymptomatic nature; a significant proportion of infected individuals exhibit no noticeable symptoms, thereby unknowingly facilitating its spread. When symptoms do occur, they can include genital discharge, burning during urination, lower abdominal pain, painful sexual intercourse for women, and testicular pain in men.

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Chlamydias

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

Optimal range:   0 - 1.8 ELISA Index

Chlamydias are obligate intracellular pathogens. Chlamydia pneumoniae (C. pneumoniae) is a human pathogen that infects the respiratory tract and is responsible for some cases of communityacquired pneumonia.

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Chlamydophila pneumoniae - IgG

Tickborne, Vibrant Wellness

Optimal range:   0 - 10 Units

What is Chlamydophila pneumoniae – IgG?

Chlamydophila pneumoniae is a type of bacteria that commonly causes respiratory infections, including bronchitis, sinusitis, and atypical pneumonia. In most cases, infections are mild and self-limiting, but in some individuals—especially older adults or those with weakened immune systems—it can contribute to more persistent or chronic respiratory conditions.

The IgG antibody test for Chlamydophila pneumoniae measures the body’s long-term immune response to this bacterium. IgG antibodies usually appear several weeks after infection and can remain in the bloodstream for months or even years. This means an elevated IgG result indicates past exposure or a previous infection.

What Does a Medium Result Mean?

A medium IgG result reflects a moderate level of antibodies, which may indicate:

  • A past infection that your body has responded to and is no longer fighting

  • A waning or borderline immune response, depending on timing and overall health

  • In some cases, cross-reactivity or residual antibodies from a remote infection

This result should be interpreted in the context of symptoms and additional lab findings.

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CHLORIDE

NutriStat, NutriPATH

Optimal range:   95 - 110 mmol/L

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Chloride Conc, Urine

Urine

StoneRisk Diagnostic Profile

Optimal range:   38 - 210 mmol/24 hr

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CHLORIDE, RANDOM URINE

Comprehensive Metabolic Panel (CMP): Biomarkers, Benefits, and Results Explained

Optimal range:   32 - 290 mmol/L

Chloride, as measured in a random urine sample is essential for evaluating the body's electrolyte balance and acid-base status, as chloride is a major anion (negatively charged ion) found in the blood and urine. In this test, chloride levels are assessed alongside creatinine, a waste product produced by muscle metabolism, which serves as a reference to help interpret the chloride results more accurately. By comparing the amount of chloride to creatinine in the urine, healthcare providers can gain insights into the kidney's ability to filter and reabsorb essential minerals. This is particularly important in diagnosing and managing conditions related to electrolyte imbalances, dehydration, and kidney function.

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Chloride, Serum

Blood

Comprehensive Metabolic Panel (CMP): Biomarkers, Benefits, and Results Explained

Optimal range:   96 - 106 mEq/L , 96.00 - 106.00 mmol/L

Chloride is a molecule found in the body and belongs to the electrolyte group, indicating that it possesses an electrical charge. Electrolytes work to maintain the pH of our body fluids, help our cells to keep the amount of fluid inside and outside the cell balanced, and aid in the maintenance of proper blood volume / blood pressure. Tests for chloride, sodium, potassium, and bicarbonate are typically done together as part of an electrolyte panel, a basic metabolic panel, or a comprehensive metabolic panel. A healthcare professional may order an electrolyte panel when symptoms such as prolonged vomiting, diarrhea, weakness, and difficulty breathing are present. An electrolyte panel can also be used to determine the cause of a pH level in the blood that is too acidic or too alkaline. Additionally, electrolyte panels may be done routinely to monitor medications or diseases that are known to cause electrolyte imbalance. Chloride can be measured through blood or urine. 

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Chloride, Urine

Urinalysis

Optimal range:   110 - 250 mmol/24 hr

Chloride is the most abundant ion outside of cells. It is important for maintaining osmotic pressure, nerve cell function, and fluid balance. The urine chloride test is used primarily in cases of suspected metabolic alkalosis.

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CHLORIDE/CREAT RATIO

Comprehensive Metabolic Panel (CMP): Biomarkers, Benefits, and Results Explained

Optimal range:   38 - 318 mmol/g creatinine

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Cholesterol

2200 GI Effects Comprehensive Profile - Stool, Genova Diagnostics

Optimal range:   0.4 - 4.8 mg/g

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CHOLESTEROL

NutriStat, NutriPATH

Optimal range:   0 - 5.5 mmol/L

Your total cholesterol score is calculated using the following equation: HDL + LDL + 20 percent of your triglyceride level.

With HDL cholesterol, higher levels are better. Low HDL cholesterol puts you at a higher risk for heart disease. With LDL cholesterol, lower levels are better. High LDL cholesterol puts you at a higher risk for heart disease.

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Cholesterol Balance Score (Production/Absorption)

Boston Heart Cholesterol Balance Test, Boston Heart Diagnostics

Optimal range:   0.5 - 1.1 Score

The Cholesterol Balance Score, a key marker on the Boston Heart Cholesterol Balance® test, provides a comprehensive assessment of an individual's cholesterol metabolism by evaluating the ratio of cholesterol production to absorption. This score is derived from the direct measurement of lathosterol and desmosterol (cholesterol production markers) and beta-sitosterol, campesterol, and cholestanol (cholesterol absorption markers). By offering insights into both production and absorption pathways, the Cholesterol Balance Score helps clinicians understand the underlying causes of dyslipidemia and tailor treatment strategies more effectively. This personalized approach can enhance the management of cardiovascular disease risk and improve patient outcomes by precisely targeting LDL-C lowering therapies.

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