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Labcorp
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Quest Diagnostics
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Showing 337–360 of 1013 results
Dog Dander (e5) IgE
Labcorp
Not offered
This test measures the immune system's response to dog dander helping to identify allergic reactions. It's a quantitative assay used alongside a patient’s medical history to assist in diagnosing allergic diseases.
Dog Fennel (w46) IgE
Labcorp
Not offered
This test measures an individual's allergic reaction to dog fennel by quantifying the IgE antibodies in the blood. It's a precise lab test used alongside other clinical data to help diagnose allergies.
Dog Serum Albumin (Re221) IgE
Labcorp
Not offered
This test measures the IgE antibody levels in response to dog serum albumin, helping to identify allergic reactions to dog-related proteins. It's crucial for diagnosing and managing allergies related to dogs.
Dopamine, Plasma
Labcorp
Not offered
Measurement of dopamine levels in urine or blood in addition to urinary vanillylmandelic acid (VMA) and homovanillic acid (HVA) levels may aid in the biochemical diagnosis and monitoring of neuroblastomas [1]. This test may also be useful in evaluating dopamine-secreting pheochromocytomas and paragangliomas (PPGLs) [2].
Double-Stranded DNA (dsDNA) Antibodies
This test measures anti-double-stranded DNA (anti-dsDNA) antibodies. It is used to confirm a diagnosis of systemic lupus erythematosus (SLE).
- Double-Stranded DNA (dsDNA) Antibody Antibodies against double-stranded DNA. Highly specific for lupus and often used to track disease activity.
This test measures anti-double-stranded DNA (anti-dsDNA) antibodies. It is used to confirm a diagnosis of systemic lupus erythematosus (SLE).
- Double-Stranded DNA (dsDNA) Antibody Antibodies against double-stranded DNA. Highly specific for lupus and often used to track disease activity.
Duck Feathers (e86) IgE
Labcorp
Not offered
This test measures the body's allergic reaction to duck feathers by checking the levels of a specific antibody called IgE. It's a lab test done on a blood sample and helps in understanding if someone has allergies related to duck feathers. This test is part of diagnosing allergic conditions and should be used along with other medical information.
Early Sjogren's Syndrome Profile
Labcorp
Not offered
Sjogren's syndrome (SS) is a systemic autoimmune disease in which loss of salivary gland and lachrymal gland function is associated with hypergammaglobulinemia, autoantibody production, mild kidney and lung disease and eventually lymphoma. SS involves dry eyes and dry mouth without systemic features that may be either primary or secondary to another autoimmune disease, such as SLE. Patients with SS and picked up at a late stage in their disease, after the salivary glands and lachrymal glands are already destroyed, because they are asymptomatic until that time. At this point, only symptomatic treatment can be offered for abnormal lachrymal and salivary gland function. The diagnosis for SS is currently at a crossroad with the American College of Rheumatology providing which requires characteristic autoantibodies (SS-A/SS-B) or minor salivary gland biopsy. Since lip biopsies are not frequently performed in clinical practice, there is increased emphasis placed on autoantibodies in diagnosis. The current Ro and La antibodies can delay the diagnosis by over 6 years.Recently novel antibodies identified to salivary gland protein 1 (SP-1), carbonic anhydrase 6 (CA6) and parotid secretory protein (PSP) using western blot methodology. Further studies have shown that the isotype differentiation of the markers adds to the sensitivity of diagnosis of SS. These autoantibodies occurred earlier in the course of the disease than antibodies to Ro or La. In addition antibodies to SP-1, CA-6 and PSP were found in patients meeting the criteria for SS who lacked antibodies to Ro or La. Furthermore, in patients with idiopathic xerostomia and xerophthalmia for less than 2 years, 76% had antibodies to SP-1 and/or CA6 while only 31% had antibodies to Ro or La.
- Carbonic Anhydrase 6 (CA6) Antibody (IgA)
- Carbonic Anhydrase 6 (CA6) Antibody (IgG)
- Carbonic Anhydrase 6 (CA6) Antibody (IgM)
- Parotid Secretory Protein (PSP) Antibody (IgA)
- Parotid Secretory Protein (PSP) Antibody (IgG)
- Parotid Secretory Protein (PSP) Antibody (IgM)
- Salivary Gland Protein 1 (SP1) Antibody (IgA)
- Salivary Gland Protein 1 (SP1) Antibody (IgG)
- Salivary Gland Protein 1 (SP1) Antibody (IgM)
Egg Mix (Yolk and White) (f245) IgE
Labcorp
Not offered
Egg Mix (Yolk & White) (f245) IgE This test measures the body's allergic response to both egg yolk and egg white. It's useful for individuals who suspect they may have an egg allergy, helping to confirm the diagnosis by identifying specific IgE antibodies in the serum.
Eggplant (f262) IgE
Labcorp
Not offered
This test measures an individual's allergic reaction to eggplant by quantifying the IgE antibodies in the blood. It's a precise lab test used alongside other clinical evaluations to help diagnose food allergies.
Egg White (f1) IgE
Labcorp
Not offered
This test measures the body's immune response to egg whites by checking for specific IgE antibodies in the serum. It's useful for identifying allergies to egg whites, which can cause reactions ranging from mild to severe in some individuals.
Egg Yolk (f75) IgE
Labcorp
Not offered
This test measures the body's immune response to egg yolk, helping to identify potential egg yolk allergies. By analyzing a small serum sample, healthcare providers can understand if the immune system is reacting negatively to egg yolk, which is crucial for diagnosing and managing allergies.
Ehrlichia chaffeensis DNA, Real-Time PCR
Labcorp
Not offered
This test is a precise method for detecting Ehrlichia chaffeensis DNA in samples. It's important for diagnosing infections caused by Ehrlichia chaffeensis, a type of bacteria that can affect humans. However, the result of this PCR test should be considered alongside symptoms and other clinical tests, as it cannot tell if the detected bacteria are alive or not. A positive result means Ehrlichia chaffeensis DNA was found, while a negative result means none was detected at the levels this test can measure, but it doesn't rule out the disease completely.
Electrolyte Panel
The electrolyte panel is used to monitor acid-base balance. Increases or decreases in electrolyte levels are due to a variety of causes.
- Carbon Dioxide Reflects the bicarbonate level in your blood, a key part of your body's acid-base balance. Abnormal levels can point to metabolic or respiratory issues.
- Chloride An electrolyte that works with sodium and potassium to maintain fluid balance and acid-base status in your body.
- Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.
- Sodium An essential electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function.
The electrolyte panel is used to monitor acid-base balance. Increases or decreases in electrolyte levels are due to a variety of causes.
- Carbon Dioxide Reflects the bicarbonate level in your blood, a key part of your body's acid-base balance. Abnormal levels can point to metabolic or respiratory issues.
- Chloride An electrolyte that works with sodium and potassium to maintain fluid balance and acid-base status in your body.
- Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.
- Sodium An essential electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function.
Electrolyte Panel, Plasma
Labcorp
Not offered
This panel comprises a group of 4 tests that provide information on an individual's electrolytes, acid-base, and water balance. The panel is usually ordered during hospital and emergency room admission to help diagnose a range of conditions as well as monitor certain conditions or treatments that affect electrolyte balance [1].
- Carbon Dioxide Reflects the bicarbonate level in your blood, a key part of your body's acid-base balance. Abnormal levels can point to metabolic or respiratory issues.
- Chloride An electrolyte that works with sodium and potassium to maintain fluid balance and acid-base status in your body.
- Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.
- Sodium An essential electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function.
Elm (t8) IgE
Labcorp
Not offered
This test measures your body's allergic response to elm 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. It is intended to be used in conjunction with other clinical information to aid in the diagnosis of allergic diseases
- Elm (t8) IgE Measures IgE antibodies to American elm tree pollen, indicating a possible allergic sensitivity to this common spring-blooming tree.
Endomysial Antibody IgA
Quest
Not offered
Endomysial IgA antibodies are autoantibodies directed against the connective tissue surrounding muscle fibers. This test is primarily used to help diagnose celiac disease.
- Endomysial Antibody IgA A highly specific antibody test used to help confirm celiac disease.
English Plantain (w9) IgE
Labcorp
Not offered
This test measures the body's allergic response to English Plantain 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.
Eosinophil Cationic Protein (ECP)
Labcorp
Not offered
UNICAP ECP is an in vitro test system for quantitative measurement of Eosinophil Cationic Protein (ECP) in human serum. Determination of ECP levels in human sera is important to diagnose a variety of allergic disorders and other clinic conditions connected with activated eosinophils.
Epicoccum purpurascens (m14) IgE
Labcorp
Not offered
This test measures the IgE antibody levels in response to Epicoccum purpurascens, helping in the diagnosis of allergic reactions to this specific mold. It's a quantitative assay that should be used alongside other clinical evaluations to accurately diagnose allergic diseases.
Epstein-Barr Evaluation
Quest
Not offered
The Epstein-Barr Evaluation assesses several antibodies to the Epstein-Barr virus (EBV). It is performed to confirm active, past, or indeterminate infection for EBV-associated infectious mononucleosis.
- Epstein-Barr Virus Early Antigen (EA) Antibody (IgG) An antibody that rises during active or recent Epstein-Barr virus infection and typically fades over time, helping pinpoint how recent an infection is.
- Epstein-Barr Virus Nuclear Antigen (EBNA) Antibody (IgG) An antibody that appears months after Epstein-Barr virus infection and persists for life — its presence indicates a past, not recent, infection.
- Epstein-Barr Virus Viral Capsid Antigen (VCA) Antibody (IgG) An antibody indicating past infection with Epstein-Barr virus (the cause of mono); usually stays positive for life.
- Epstein-Barr Virus Viral Capsid Antigen (VCA) Antibody (IgM) An antibody that appears early in Epstein-Barr virus infection, helping identify a recent or current case of mono.
Epstein-Barr Virus Antibody Panel
Labcorp
Not offered
This test is used to detect infections caused by the Epstein-Barr virus (EBV), which is known for causing infectious mononucleosis, often referred to as mono. While mono is generally a mild illness in children and young adults, EBV can also lead to more serious conditions, including certain types of tumors.
- Epstein-Barr Virus Nuclear Antigen (EBNA) Antibody (IgG) An antibody that appears months after Epstein-Barr virus infection and persists for life — its presence indicates a past, not recent, infection.
- Epstein-Barr Virus Viral Capsid Antigen (VCA) Antibody (IgG) An antibody indicating past infection with Epstein-Barr virus (the cause of mono); usually stays positive for life.
- Epstein-Barr Virus Viral Capsid Antigen (VCA) Antibody (IgM) An antibody that appears early in Epstein-Barr virus infection, helping identify a recent or current case of mono.
Epstein Barr Virus DNA, Qualitative, Real-Time PCR
Labcorp
Not offered
Infection with EBV is common and is generally subclinical or presents as a self-limited illness. Reactivation of latent EBV in an immunocompromised person can lead to more serious results, including lymphoproliferative disorders or neurological disease. PCR methods may be useful in identifying EBV in a variety of clinical specimens.
Epstein-Barr Virus DNA, Quantitative Real-Time PCR, Miscellaneous
Labcorp
Not offered
Monitoring EBV DNA levels by quantitative PCR in patients at risk of EBV-associated lymphoproliferative disorders may allow timely recognition of virus reactivation and permit installment of antiviral treatment. Reportable Range is 500-2,000,000 IU/mL (2.70-6.30 Log IU/mL).
Epstein-Barr Virus Early Antigen (EA) Antibody (IgG)
Epstein-Barr Early Antigen (EA) IgG Antibodies indicate active or reactivated Epstein-Barr virus (EBV) infection. Elevated levels can suggest ongoing viral replication or reactivation in the body.
- Epstein-Barr Virus Early Antigen (EA) Antibody (IgG) An antibody that rises during active or recent Epstein-Barr virus infection and typically fades over time, helping pinpoint how recent an infection is.
Epstein-Barr Early Antigen (EA) IgG Antibodies indicate active or reactivated Epstein-Barr virus (EBV) infection. Elevated levels can suggest ongoing viral replication or reactivation in the body.
- Epstein-Barr Virus Early Antigen (EA) Antibody (IgG) An antibody that rises during active or recent Epstein-Barr virus infection and typically fades over time, helping pinpoint how recent an infection is.