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Test Catalog

RETB - Overview: Reticulocyte Profile, Blood

Assessing erythropoietic bone marrow activity in anemia and other hematologic conditions Assessment of acute iron deficiency Monitoring early response to iron therapy or erythropoiesis-stimulating agents Early monitoring of therapy for...

AL - Overview: Aluminum, Serum

Preferred monitoring for aluminum toxicity in patients undergoing dialysis Preferred test for routine aluminum screening Monitoring metallic prosthetic implant wear

RPDE - Overview: Rapidly Progressive Dementia Evaluation, Spinal Fluid

Evaluation of individuals presenting with rapidly progressive dementia of uncertain disease etiology and a differential diagnosis of Creutzfeldt-Jakob disease and rapidly progressive Alzheimer disease

LFRI - Overview: Progentec aiSLE DX Lupus Flare Risk Index, Plasma

Aiding in the assessment of risk of flare in lupus patients when used in conjunction with standard clinical assessment

DMC2 - Overview: Dementia, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

Investigating new onset dementia and cognitive impairment plus 1 or more of the following accompaniments using cerebrospinal fluid specimens: -Rapid onset and progression -Fluctuating course -Psychiatric accompaniments (psychosis,...

FHLCA - Overview: Immunoglobulin A (IgA) Heavy and Light Chain (HLC) Pairs, Kappa and Lambda with Ratio

For the quantitative measurement of human IgA heavy chain and light chain intact immunoglobulin in serum. The result can be used when monitoring previously diagnosed IgA multiple myeloma patients and is used in conjunction with other...

INHB - Overview: Inhibin B, Serum

Aiding in the diagnosis of granulosa cell tumors and mucinous epithelial ovarian tumors Monitoring of patients with granulosa cell tumors and epithelial mucinous-type tumors of the ovary known to overexpress inhibin B As an adjunct to...

CATPA - Overview: Catecholamine, Endocrine Study, Plasma

Diagnosis of pheochromocytoma and paraganglioma in specimens collected from individuals in both supine and standing positions, as an auxiliary test to fractionated plasma and urine metanephrine measurements Diagnosis and follow-up of...

CATP - Overview: Catecholamine Fractionation, Free, Plasma

Diagnosing pheochromocytoma and paraganglioma, as an auxiliary test to fractionated plasma and urine metanephrine measurements Diagnosis follow-up of patients with neuroblastoma and related tumors, as an auxiliary test to urine...

HAEV1 - Overview: Hemolytic Anemia Evaluation, Blood

Evaluation of lifelong or inherited hemolytic anemias, including red blood cell membrane disorders, unstable or abnormal hemoglobin variants, and red blood cell enzyme disorders This evaluation is not suitable for acquired causes of...

CPR - Overview: C-Peptide, Serum

Diagnostic workup of hypoglycemia: -Diagnosis of factitious hypoglycemia due to surreptitious administration of insulin -Evaluation of possible insulinoma -Surrogate measure for the absence or presence of physiological suppressibility of...

CATLN - Overview: Calcitonin, Fine-Needle Aspiration Biopsy Needle Wash, Lymph Node

As an adjunct to cytologic examination of fine-needle aspiration specimens in athyrotic individuals treated for medullary thyroid carcinoma to confirm or exclude metastases in enlarged or ultrasonographically suspicious lymph nodes

PTHRP - Overview: Parathyroid Hormone-Related Peptide, Plasma

Aiding in the evaluation of individuals with hypercalcemia of unknown origin Aiding in the evaluation of individuals with suspected humoral hypercalcemia of malignancy The test should not be used to exclude cancer or screen individuals...

T3FR - Overview: T3 (Triiodothyronine), Free, Serum

A second- or third-level test of thyroid function Confirmation of hyperthyroidism, supplementing the T4 (tetraiodothyronine), sensitive thyrotropin, and total T3 assays Evaluating clinically euthyroid patients who have an altered...

LPA3P - Overview: Lymphocyte Proliferation to Anti-CD3/Anti-CD28 and Anti-CD3/Interleukin-2 (IL-2), Flow Cytometry, Blood

A second-level test after lymphocyte proliferation to mitogens (specifically phytohemagglutinin) has been assessed Evaluating patients suspected of having impairment in cellular immunity Evaluation of T-cell function in patients with...

INHA - Overview: Inhibin A, Tumor Marker, Serum

Aiding in the diagnosis of patients with granulosa cell tumors of the ovary when used in combination with inhibin B Monitoring of patients with granulosa cell tumors and epithelial mucinous-type tumors of the ovary known to secrete inhibin...

23BPT - Overview: 2,3-Dinor 11 Beta-Prostaglandin F2 Alpha, 24 Hour, Urine

Screening for mast cell activation disorders including systemic mastocytosis using 24-hour urine specimens

PTH2 - Overview: Parathyroid Hormone, Serum

Diagnosis and differential diagnosis of hypercalcemia Diagnosis of primary, secondary, and tertiary hyperparathyroidism Diagnosis of hypoparathyroidism Monitoring kidney failure patients for possible renal osteodystrophy

HAEV0 - Overview: Hemolytic Anemia Summary Interpretation

Incorporating and summarizing subsequent results into an overall interpretation for the HAEV1 / Hemolytic Anemia Evaluation, Blood

MCM24 - Overview: Mast Cell Mediators, 24 Hour, Urine

Evaluating patients at risk for mast cell activation syndrome (eg, systemic mastocytosis) using 24-hour urine collections

HAEVI - Overview: Hemolytic Anemia Interpretation

Interpretation of the results for the evaluation of hemolytic anemia Evaluation of lifelong or inherited hemolytic anemias, including red cell membrane disorders, unstable or abnormal hemoglobin variants, and red cell enzyme disorders

CTP10 - Overview: Catecholamine Fractionation, Standing, Plasma, Free

Diagnosis of pheochromocytoma and paraganglioma in specimens collected from individuals in a standing position, as an auxiliary test to fractionated plasma and urine metanephrine measurements Diagnosis and follow-up of patients with...

IFG23 - Overview: Intact Fibroblast Growth Factor 23, Serum

Diagnosing and monitoring tumor induced osteomalacia Diagnosing X-linked hypophosphatemia or autosomal dominant hypophosphatemic rickets Diagnosing familial tumoral calcinosis with hyperphosphatemia

CTP0 - Overview: Catecholamine Fractionation, Supine, Plasma, Free

Diagnosis of pheochromocytoma and paraganglioma in specimens collected from individuals in a supine position, as an auxiliary test to fractionated plasma and urine metanephrine measurements Diagnosis and follow-up of patients with...

TLTE4 - Overview: Leukotriene E4, 24 Hour, Urine

Aiding in the evaluation of patients at-risk for mast cell activation syndrome (eg, systemic mastocytosis, IgE-mediated allergies, or aspirin-exacerbated respiratory disease) using 24-hour urine collections

EPC2 - Overview: Epilepsy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

Investigating new onset cryptogenic epilepsy with incomplete seizure control and duration of fewer than 2 years using spinal fluid specimens Investigating new onset cryptogenic epilepsy plus 1 or more of the following...

SUP24 - Overview: Supersaturation Profile, 24 Hour, Urine

Diagnosis and management of patients with renal lithiasis: -Predicting the likely composition of the stone, in patients who have a radiopaque stone, for whom stone analysis is not available -May aid in designing a treatment program...

SUPRA - Overview: Supersaturation Profile, Random, Urine

Diagnosis and management of patients with renal lithiasis: -Predicting the likely composition of the stone, in patients who have a radiopaque stone, for whom stone analysis is not available which may help in designing a treatment...

PTHFN - Overview: Parathyroid Hormone, Fine-Needle Aspiration Biopsy (FNAB)-Needle Wash

Discriminating thyroid tissue from enlarged parathyroid glands Facilitating parathyroid localization prior to surgery An adjunct to cytology examination of fine-needle aspiration specimens to confirm or exclude presence of parathyroid...

MALP - Overview: Malabsorption Evaluation Panel, Feces

Evaluation of patients with suspected malabsorption, as suggested by chronic diarrhea, unexplained weight loss, or nutritional deficiencies Differentiation between causes of malabsorption, specifically inflammatory conditions, pancreatic...

SSH24 - Overview: Supersaturation Profile, Self-Collect, 24 Hour, Urine

Diagnosis and management of patients with renal lithiasis: -Predicting the likely composition of the stone, in patients who have a radiopaque stone, for whom stone analysis is not available -May aid in designing a treatment program Aiding...

EPS2 - Overview: Epilepsy, Autoimmune/Paraneoplastic Evaluation, Serum

Investigating new onset cryptogenic epilepsy with incomplete seizure control and duration of less than 2 years, using serum specimens Investigating new onset cryptogenic epilepsy plus 1 or more of the following accompaniments: -Psychiatric...

GDF15 - Overview: Growth Differentiation Factor 15, Plasma

A circulating biomarker in myopathy-related mitochondrial disease as well as other conditions Investigation of patients suspected of having a mitochondrial myopathy This assay is not suitable for carrier detection.

3A4Q - Overview: Cytochrome P450 3A4 Genotype, Varies

Aids in determining therapeutic strategies for drugs that are metabolized by cytochrome P450 3A4, including atorvastatin, simvastatin, and lovastatin This test is not useful for managing patients receiving fluvastatin, rosuvastatin, or...

IL6DX - Overview: Interleukin-6, Serum

Evaluating patients with suspected chronic inflammatory disorders, such as rheumatoid arthritis, systemic lupus erythematosus, ankylosing spondylitis, or inflammatory bowel disease Evaluating patients with Castleman disease Evaluating...

25HDN - Overview: 25-Hydroxyvitamin D2 and D3, Serum

Diagnosis of vitamin D deficiency Differential diagnosis of causes of rickets and osteomalacia Monitoring vitamin D replacement therapy Diagnosis of hypervitaminosis D

BABPB - Overview: Babesia species, Molecular Detection, PCR, Blood

Initial screening or confirmatory testing for suspected babesiosis during the acute febrile stage of infection in patients from endemic areas, especially when Giemsa-stained peripheral blood smears do not reveal any organisms, or the...

23BPR - Overview: 2,3-Dinor 11 Beta-Prostaglandin F2 Alpha, Random, Urine

Screening for mast cell activation disorders including systemic mastocytosis using random urine specimens

NMH24 - Overview: N-Methylhistamine, 24 Hour, Urine

Screening for and monitoring of mastocytosis and disorders of systemic mast-cell activation, such as anaphylaxis and other forms of severe systemic allergic reactions using 24-hour urine collection specimens Monitoring therapeutic...

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Mayo Clinic Ranked No. 1 Hospital Nationwide by U.S. News & World Report - Insights

Report’s 29th annual "Best Hospitals Honor Roll" published online on August 14. Mayo Clinic also ranked No. 1 in more specialties than any other hospital in the country....

NELL-1 [Test in Focus] - Insights

D., discusses how Mayo Clinic Laboratories’ new immunohistochemistry test for the detection of NELL-1 antigen, a biomarker for membranous nephropathy found in 10% to 15% of patients, provides diagnostic...

Looking Back on Clinical Chemistry 1 - Insights

in the Mayo Clinic Medical Laboratory Science program, takes a look back on her Clinical Chemistry 1 course....

Detection of (1→3)-𝝱-D-glucan as a Marker of Invasive Fungal Disease - Insights

In this month’s “Hot Topic,” Elitza Theel, Ph.D., will discuss the detection of (1→3)-β-D-glucan (BDG) in serum as a biomarker for the presence of invasive fungal infections....

Orexin-A/Hypocretin-1 for the Diagnosis of Type 1 Narcolepsy [Test in Focus] - Insights

test to perform as well as to interpret. The orexin-A/hypocretin-1 test is a sensitive and specific alternative to the MSLT to diagnose type 1 narcolepsy....