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Test Catalog
HEXP - Overview: Iohexol, Plasma
Determining glomerular filtration rate in plasma specimens
GPI1 - Overview: Glucose Phosphate Isomerase Enzyme Activity, Blood
The evaluation of individuals with Coombs-negative chronic hemolysis
FENS - Overview: Fentanyl Screen, Random, Urine
Screening for drug abuse or use involving fentanyl
PINW - Overview: Pinworm Exam, Perianal
Detection of the eggs of Enterobius vermicularis on the skin of the perianal folds
CSPMM - Overview: Plasma Cell Myeloma Pre-Analysis Cell Sorting, Bone Marrow
Pre-analysis cell sorting for the MayoComplete Plasma Cell Myeloma panel
TRYPU - Overview: Tryptophan, Random, Urine
Aiding in the screening and monitoring of Hartnup disease
THEO - Overview: Theophylline, Serum
Assessing and adjusting theophylline dosage for optimal therapeutic level Assessing theophylline toxicity
TBGI - Overview: Thyroxine-Binding Globulin (TBG), Serum
Cases in which total thyroid hormone levels do not correlate with the thyrometabolic status, most commonly with pregnancy or the use of contraceptive steroids
VITB2 - Overview: Riboflavin (Vitamin B2), Plasma
Evaluation of individuals who present the signs of ariboflavinosis
CHAGI - Overview: Trypanosoma cruzi, Technical Interpretation
Diagnosis of chronic Trypanosoma cruzi infection (Chagas disease)
The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Reporting an end titer result from spinal fluid specimens
PDEIS - Overview: Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence, Serum
Detecting phosphodiesterase 10A (PDE10A)-IgG in serum specimens Evaluation of autoimmune/paraneoplastic neurological syndromes among patients presenting with movement disorders and encephalopathy
Units of Measurement - Mayo Clinic Laboratories
Units of Measure A list of common units used in the reporting of our assays has been defined. Refer to the table for these units as well as the recommended report abbreviations. Last updated: June 6, 2025...
FAMBS - Overview: Amphotericin B Susceptibility Testing
Amphotericin B Susceptibility Testing
FBCQ - Overview: Benzodiazepine Confirmation, Urine
Benzodiazepine Confirmation, Urine
ZW333 - Overview: Miscellaneous Nationwide Children's Hospital
Miscellaneous Nationwide Children's Hospital
ZW61 - Overview: Miscellaneous University of Minnesota Outreach Laboratory
Miscellaneous University of Minnesota Outreach Laboratory
ZW68 - Overview: Miscellaneous Greenwood Genetic Ctr
Miscellaneous Greenwood Genetic Ctr
ZW69 - Overview: Miscellaneous Eurofins Viracor
Miscellaneous Eurofins Viracor
FLIPR - Overview: Lipase, Random Urine
Lipase, Random Urine
ZW166 - Overview: Miscellaneous Cincinnati Childs Hosp Center
Miscellaneous Cincinnati Childs Hosp Center
ZW121 - Overview: Miscellaneous Versiti Wisconsin, Inc.
Miscellaneous Versiti Wisconsin, Inc.
ZW127 - Overview: Miscellaneous Athena Testing
Miscellaneous Athena Testing
ZW128 - Overview: Miscellaneous University Hospital Clinical Lab Test
Miscellaneous University Hospital Clinical Lab Test
ZW242 - Overview: Miscellaneous ARUP Testing
Miscellaneous ARUP Testing
ZW293 - Overview: Miscellaneous UPMC Molecular and Genomic Pathology
Miscellaneous UPMC Molecular and Genomic Pathology
ZW207 - Overview: Miscellaneous MD Anderson Cancer Center
Miscellaneous MD Anderson Cancer Center
ZW91 - Overview: Miscellaneous RFFIT Testing
Miscellaneous RFFIT Testing
ZW131 - Overview: Miscellaneous Quest/Nichols Testing
Miscellaneous Quest/Nichols Testing
ZW187 - Overview: Miscellaneous University of Iowa Diagnostic Labs
Miscellaneous University of Iowa Diagnostic Labs
ZW102 - Overview: Miscellaneous U of TX San Ant Test
Miscellaneous U of TX San Ant Test
ZW53 - Overview: Miscellaneous Baylor Institute of Metabolic Disease
Miscellaneous Baylor Institute of Metabolic Disease
pH, Fecal
FPPOS - Overview: Posaconazole Susceptibility Testing
Posaconazole Susceptibility Testing
Tin, Blood
EGFRS - Overview: EGFR Gene, Targeted Mutation Analysis, 51 Mutation Panel, Tumor
Identifying non-small cell lung cancers that may respond to epidermal growth factor receptor-targeted therapies
CCP - Overview: Cyclic Citrullinated Peptide Antibodies, IgG, Serum
Evaluating patients suspected of having rheumatoid arthritis (RA) Differentiating RA from other inflammatory arthritis or connective tissue diseases
LBCS - Overview: Labile Bound Copper, Serum
May be useful in the evaluation of copper-related disorders, including Wilson disease
HOLDF - Overview: Hematologic Disorders, Fluorescence In Situ Hybridization (FISH) Hold, Varies
Processing the bone marrow or peripheral blood specimen but delaying fluorescence in situ hybridization analysis while preliminary morphologic assessment is in process
B12 - Overview: Vitamin B12 Assay, Serum
Investigation of macrocytic anemia Workup of deficiencies seen in megaloblastic anemias
NEPHP - Overview: Comprehensive Nephrology Gene Panel, Varies
Providing a genetic evaluation for patients with a personal or family history suggestive of hereditary kidney disease Establishing a diagnosis for a variety of hereditary kidney conditions including focal segmental glomerulosclerosis,...
Providing a genetic evaluation for patients with a personal or family history suggestive of hereditary aortic disease Establishing a diagnosis for a variety of hereditary conditions involving aortic disease or overlapping clinical...
FMARC - Overview: Bupivacaine (Marcaine)
Bupivacaine (Marcaine)
FATHO - Overview: Anti-Th/To Ab
Anti-Th/To Ab
FAPMA - Overview: Anti-PM/Scl-100 Ab
Anti-PM/Scl-100 Ab
FAGES - Overview: Androstanediol Glucuronide (Endocrine Sciences)
Androstanediol Glucuronide (Endocrine Sciences)
FALPX - Overview: Alprazolam (Xanax)
Alprazolam (Xanax)
FBACS - Overview: Baclofen, Serum
Baclofen, Serum
FBIUR - Overview: Bicarbonate, Urine
Bicarbonate, Urine
FFLUR - Overview: Flurazepam (Dalmane) and Desalkylflurazepam
Flurazepam (Dalmane) and Desalkylflurazepam
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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....
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....
Week in Review: November 1 - Insights
Top highlights include: Facebook launches into the digital space of healthcare, medical breakthrough for Ebola, and how the brain makes memories.