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Labcorp
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Quest Diagnostics
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Showing 289–312 of 1013 results
Cranberry (rf341) IgE
Labcorp
Not offered
This test checks for specific IgE antibodies to identify if you have an allergy to cranberries. It's a sensitive test that can predict whether you'll have an immediate allergic reaction to cranberries.
Crayfish (rf320) IgE
Labcorp
Not offered
This test checks for specific IgE antibodies to determine if you have an allergy to crayfish. It's a sensitive test used to predict if you're likely to have an immediate allergic reaction upon exposure to crayfish.
C-Reactive Protein, High Sensitivity (CRP, HS)
C-Reactive Protein, High Sensitivity (CRP, HS) is a blood test that measures low levels of CRP, a protein produced by the liver in response to inflammation. The high-sensitivity version of the test is used to assess the risk of cardiovascular disease by detecting chronic, low-grade inflammation that may contribute to heart disease.
- C-Reactive Protein, High Sensitivity (hs-CRP) A sensitive marker of low-grade inflammation in the body, commonly used to help assess cardiovascular disease risk.
C-Reactive Protein, High Sensitivity (CRP, HS) is a blood test that measures low levels of CRP, a protein produced by the liver in response to inflammation. The high-sensitivity version of the test is used to assess the risk of cardiovascular disease by detecting chronic, low-grade inflammation that may contribute to heart disease.
- C-Reactive Protein, High Sensitivity (hs-CRP) A sensitive marker of low-grade inflammation in the body, commonly used to help assess cardiovascular disease risk.
C-Reactive Protein, Inflammation (CRP)
C-Reactive Protein, Inflammation (CRP) is a blood test that measures the level of CRP, a protein made by the liver in response to acute inflammation. Elevated CRP levels can indicate infection, injury, or chronic inflammatory conditions such as rheumatoid arthritis or inflammatory bowel disease.
- C-Reactive Protein, Inflammation (CRP) A general marker of inflammation in the body, elevated with infections, injuries, and many inflammatory or autoimmune conditions.
C-Reactive Protein, Inflammation (CRP) is a blood test that measures the level of CRP, a protein made by the liver in response to acute inflammation. Elevated CRP levels can indicate infection, injury, or chronic inflammatory conditions such as rheumatoid arthritis or inflammatory bowel disease.
- C-Reactive Protein, Inflammation (CRP) A general marker of inflammation in the body, elevated with infections, injuries, and many inflammatory or autoimmune conditions.
Creatine Kinase
This test measures the total amount of creatine kinase (CK) in the blood. Elevated levels may be due to excessive exercise, muscle trauma, myocarditis, myocardial infarction, or muscular dystrophy.
- Creatine Kinase An enzyme found in muscle, heart, and brain tissue. Elevated levels typically indicate muscle damage, from injury, intense exercise, or certain medical conditions.
This test measures the total amount of creatine kinase (CK) in the blood. Elevated levels may be due to excessive exercise, muscle trauma, myocarditis, myocardial infarction, or muscular dystrophy.
- Creatine Kinase An enzyme found in muscle, heart, and brain tissue. Elevated levels typically indicate muscle damage, from injury, intense exercise, or certain medical conditions.
Creatine Kinase Isoenzymes
Quest
Not offered
The Creatine Kinase Isoenzymes test is used to confirm or rule out the diagnosis of acute myocardial infarction, assess its severity, and monitor the patient's condition.
- Creatine Kinase BB (CK-BB) A form (isoenzyme) of creatine kinase found mainly in brain tissue. Less commonly used clinically than the heart- and muscle-specific forms.
- Creatine Kinase MB (CK-MB) A form of creatine kinase found mainly in heart muscle. Historically used to help detect heart muscle damage, such as a heart attack.
- Creatine Kinase MM (CK-MM) A form of creatine kinase found mainly in skeletal muscle. Elevated levels typically reflect muscle injury or strenuous exercise rather than heart damage.
- Creatine Kinase An enzyme found in muscle, heart, and brain tissue. Elevated levels typically indicate muscle damage, from injury, intense exercise, or certain medical conditions.
- Macro CK Type 1 A less common, larger form of creatine kinase bound to an antibody. Usually a benign finding rather than a sign of tissue damage, but can cause a persistently elevated CK result.
- Macro CK Type 2 A less common, larger form of creatine kinase, typically seen in people who are critically ill; unlike Type 1, it can reflect a more serious underlying condition.
Creatine Kinase Isoenzymes (CK Isoenzymes) with Total CK
Labcorp
Not offered
This test measures creatine kinase (CK), an enzyme found primarily in striated muscle and heart tissue, and may be useful in assessing muscle damage. Total CK and fractions of CK isoenzymes are reported. CK is a dimeric enzyme composed of either 2 B subunits (CK-BB), 2 M subunits (CK-MM), or an M and a B subunit (CK-MB). CK-MM is the primary isoenzyme found in the skeletal muscle and heart tissue. CK-BB is mainly found in the brain and smooth muscle of gastrointestinal tract and urinary bladder. CK-MB is mainly found in the heart with a small amount in skeletal muscle [1].
- Creatine Kinase BB (CK-BB) A form (isoenzyme) of creatine kinase found mainly in brain tissue. Less commonly used clinically than the heart- and muscle-specific forms.
- Creatine Kinase MB (CK-MB) A form of creatine kinase found mainly in heart muscle. Historically used to help detect heart muscle damage, such as a heart attack.
- Creatine Kinase MM (CK-MM) A form of creatine kinase found mainly in skeletal muscle. Elevated levels typically reflect muscle injury or strenuous exercise rather than heart damage.
- Creatine Kinase An enzyme found in muscle, heart, and brain tissue. Elevated levels typically indicate muscle damage, from injury, intense exercise, or certain medical conditions.
Creatinine
Creatinine is a waste product produced by muscle metabolism and filtered by the kidneys. Measuring serum creatinine helps assess kidney function and detect renal impairment.
- Creatinine A waste product from muscle metabolism, filtered by your kidneys. One of the main markers used to assess kidney function.
- Estimated Glomerular Filtration Rate Estimated glomerular filtration rate — a calculated estimate of how well your kidneys are filtering waste from your blood, based on creatinine and other factors.
Creatinine is a waste product produced by muscle metabolism and filtered by the kidneys. Measuring serum creatinine helps assess kidney function and detect renal impairment.
- Creatinine A waste product from muscle metabolism, filtered by your kidneys. One of the main markers used to assess kidney function.
- Estimated Glomerular Filtration Rate Estimated glomerular filtration rate — a calculated estimate of how well your kidneys are filtering waste from your blood, based on creatinine and other factors.
Creatinine, 24-Hour Urine
Labcorp
Not offered
This test measures the amount of creatinine expelled in the urine over a 24-hour period and is used to evaluate kidney function. This test helps determine how well the kidneys are able to filter small molecules like creatinine out of the blood. It is often used in conjunction with blood creatinine tests to calculate the creatinine clearance rate, which can provide more detailed information on kidney filtration efficiency. This is particularly useful in detecting renal dysfunction and monitoring known kidney disease or conditions affecting kidney performance.
Creatinine, Random Urine
Labcorp
Not offered
This test measures the level of creatinine in your urine. Creatinine is a waste product produced by your muscles from the breakdown of a compound called creatine. This test is often used to check kidney function. A random urine sample is used, meaning the sample can be collected at any time. No special preservatives are needed.
Cryptosporidium, Stool
Cryptosporidium, Stool detects the presence of Cryptosporidium parasites in stool samples. It is used to diagnose cryptosporidiosis, a gastrointestinal infection that causes diarrhea and abdominal cramps.
Cryptosporidium, Stool detects the presence of Cryptosporidium parasites in stool samples. It is used to diagnose cryptosporidiosis, a gastrointestinal infection that causes diarrhea and abdominal cramps.
Cucumber (f244) IgE
Labcorp
Not offered
This test measures the body's immune response to cucumber, indicating a potential allergy. By analyzing a small serum sample, it identifies specific IgE antibodies that react to cucumber, helping to diagnose food allergies accurately.
Cultivated Oat (g14) IgE
Labcorp
Not offered
This test measures the body's allergic response to cultivated oats by checking the level of specific IgE antibodies in the serum. It's particularly useful for individuals who may be experiencing seasonal allergies, helping to confirm the cause of symptoms.
Cultivated Rye Grass (g12) IgE
Labcorp
Not offered
This test measures the body's immune response to rye grass, a common allergen, by checking the level of specific IgE antibodies in the serum. It's particularly useful for individuals who may be experiencing seasonal allergies, helping to confirm the cause of symptoms.
Cultivated Wheat (g15) IgE
Labcorp
Not offered
This test measures the body's immune response to wheat by checking the level of specific IgE antibodies in the serum. It's particularly useful for individuals who may be experiencing seasonal allergies, helping to confirm the cause of symptoms.
Culture, Urine, Void
Quest
Not offered
The urine culture isolates and identifies significant pathogens that cause urinary tract infections.
Curvularia lunata (m16) IgE
Labcorp
Not offered
This test checks for allergic reactions to Curvularia lunata, a type of fungus. It measures the level of IgE antibodies in response to this fungus, helping to identify if you have an allergy to it.
Cyclic Citrullinated Peptide Antibodies
Quest
Not offered
This test measures cyclic citrullinated peptide (CCP) antibodies. Measurements of anti-CCP may provide important information regarding the severity and prognosis of rheumatoid arthritis.
Cyclic Citrullinated Peptide (CCP) Antibody (IgG)
Labcorp
Not offered
This test is a specialized test that helps in the diagnosis of Rheumatoid Arthritis (RA). It detects the presence of specific antibodies (CCP IgG) in the blood, which are more common in people with RA compared to other conditions like hepatitis C. This test is part of the criteria used to classify Rheumatoid Arthritis, along with other tests such as rheumatoid factor, C-reactive protein, and erythrocyte sedimentation rate (ESR). About 70% of RA patients test positive for Anti-CCP IgG, making it a crucial marker for the disease, whereas it's rarely found in healthy individuals or those with other diseases.
- Cyclic Citrullinated Peptide (CCP) Antibody (IgG) An antibody linked to rheumatoid arthritis (IgG type) — a positive result supports the diagnosis and can appear even before joint symptoms develop.
Cyclospora and Isospora Examination
Labcorp
Not offered
Cyclospora cayetanensis and Isospora belli are coccidian parasites that cause malaise, low-grade fever, and diarrhea. Fatigue, anorexia, vomiting, myalgia, and weight loss occur. The clinical presentation for those patients infected with either disease is similar.
Cyclospora, Stool
Quest
Not offered
This test detects Cyclospora in stool. Cyclospora cayetanensis is a parasite that can cause diarrhea, malaise, and low-grade fever.
Cystatin C
Quest
Not offered
Cystatin C is a protein produced by all nucleated cells that is filtered by the kidneys. It serves as a sensitive and early marker of kidney function, often providing a more accurate assessment of glomerular filtration rate (GFR) than creatinine, especially in certain populations.
- Cystatin C An alternative marker of kidney function that, unlike creatinine, isn't affected by muscle mass — useful for a more precise eGFR estimate.
Cystatin C with Glomerular Filtration Rate, Estimated (eGFR)
Labcorp
Not offered
This test measures the level of Cystatin C, a protein found in your body fluids, to assess kidney function. Unlike other markers, the level of Cystatin C's in the blood does not change due to infections, diet, or medication, making it a reliable indicator of how well your kidneys are filtering. The test also estimates your Glomerular Filtration Rate (eGFR), which indicates the rate at which your kidneys are filtering the blood. It's especially useful for people with unusual muscle mass or rapidly changing kidney function.
- Cystatin C An alternative marker of kidney function that, unlike creatinine, isn't affected by muscle mass — useful for a more precise eGFR estimate.
- Estimated GFR
Cytomegalovirus Antibodies (IgG, IgM)
Labcorp
Not offered
Intrauterine or congenital CMV infections occur in 0.5 to 2.2% of all live births. Symptomatic congenital infections usually occur in infants born to non-immune mothers who have primary infections during pregnancy. Latency and reactivation of CMV influence the interpretation of serological results. A single positive CMV IgG result is and indication of present or past infection. The presence of CMV IgM suggests a recent CMV exposure but does not differentiate between primary infection and reactivation.
- Cytomegalovirus IgG Antibody Indicates past exposure or infection with cytomegalovirus (CMV), a common virus that's usually harmless but can be a concern during pregnancy or with a weakened immune system.
- Cytomegalovirus IgM Antibody Indicates a recent or active CMV infection, as opposed to past exposure.