PHOS - Overview: Phosphorus (Inorganic), Serum
Diagnosis and management of a variety of disorders including bone, parathyroid, and kidney disease
PETH - Overview: Phosphatidylethanol Confirmation, Blood
Verifying abstinence or use of ethanol, especially in liver transplant candidates/patients
ELPSR - Overview: Electrolyte Panel, Serum
Identifying a suspected imbalance in electrolytes or acid/base imbalance
CRMWS - Overview: Collapsin Response-Mediator Protein-5-IgG, Western Blot, Serum
Evaluation of cases of chorea, vision loss, cranial neuropathy and myelopathy
BLWX - Overview: Walnut-Food Components, IgE, Serum
Evaluation of patients with suspected walnut-food allergy to one of 2 walnut-food components
TFNAB - Overview: Thyroglobulin, Tumor Marker, Fine-Needle Aspiration Biopsy Needle Wash
Confirming or excluding metastases in enlarged or ultrasonographically suspicious lymph nodes from athyrotic individuals treated for differentiated thyroid cancer in conjunction with cytologic analysis Confirming or excluding the presence...
CILPF - Overview: Congenital Infantile Leukemia, FISH, Tissue
Detecting a neoplastic clone associated with the common chromosome abnormalities and classic rearrangements seen in infant patients with leukemia using tissue specimens
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...
PRA - Overview: Renin Activity, Plasma
Investigation of primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter...
ERPR - Overview: Estrogen/Progesterone Receptor, Semi-Quantitative Immunohistochemistry, Manual
Guiding decisions on hormonal therapy in patients with breast carcinomas This test is not useful for cases of lobular carcinoma in situ.
HGBCE - Overview: Hemoglobin Variant, A2 and F Quantitation, Blood
Monitoring patients with sickling disorders who have received hydroxyurea or transfusion therapy This test is not intended for diagnostic purposes. This test is not useful for screening purposes.
NUTHR - Overview: Hazelnut-Food, IgE with Reflex to Hazelnut-Food Components, IgE, Serum
Evaluation of patients with suspected hazelnut-food allergy
LASF1 - Overview: Lactic Acid, Spinal Fluid
Aid in differentiating between bacterial and viral meningitis Aid in identifying increased anaerobic glycolysis or hypoxia associated with bacterial meningitis, cerebral infarction, cerebral arteriosclerosis, intracranial hemorrhage,...
TVRNA - Overview: Trichomonas vaginalis, Nucleic Acid Amplification, Varies
Detecting Trichomonas vaginalis in urine, cervical/endocervical or vaginal specimen types
Evaluating for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and related demyelinating peripheral neuropathies
TGMS - Overview: Thyroglobulin Mass Spectrometry, Serum
Accurate measurement of serum thyroglobulin (Tg) in patients with known or suspected antithyroglobulin autoantibodies (TgAb) or heterophile antibodies (HAb) Reflex testing of samples with previously unknown TgAb status that prove TgAb...
IGGS - Overview: IgG Subclasses, Serum
Second-order testing for evaluation of patients with clinical signs and symptoms of humoral immunodeficiency or combined immunodeficiency (cellular and humoral)
GAST - Overview: Gastrin, Serum
Investigation of patients with achlorhydria or pernicious anemia Investigation of patients suspected of having Zollinger-Ellison syndrome Diagnosis of gastrinoma
HTG2 - Overview: Thyroglobulin, Tumor Marker, Serum
Follow-up of patients with differentiated thyroid cancers after thyroidectomy and radioactive iodine ablation
OCT2 - Overview: OCT-2 Immunostain, Technical Component Only
Classification of lymphomas
GCRNA - Overview: Neisseria gonorrhoeae, Nucleic Acid Amplification, Varies
Detecting Neisseria gonorrhoeae This test is not intended for use in medico-legal applications.
CTRNA - Overview: Chlamydia trachomatis, Nucleic Acid Amplification, Varies
Detecting Chlamydia trachomatis This test is not intended for use in medico-legal applications. This test is not useful for the detection of other Chlamydia species.
RURC1 - Overview: Uric Acid/Creatinine Ratio, Random, Urine
Differentiation of acute uric acid nephropathy from other causes of acute kidney failure For patients who cannot collect a 24-hour specimen, typically small children, a uric acid to creatinine ratio can be used to approximate 24-hour...
GALP - Overview: Galactose, Quantitative, Plasma
Screening for galactosemia
CDG - Overview: Carbohydrate Deficient Transferrin for Congenital Disorders of Glycosylation, Serum
Screening for congenital disorders of glycosylation This test is not useful for screening patients for chronic alcohol abuse.
NUTHX - Overview: Hazelnut-Food Components, IgE, Serum
Evaluation of patients with suspected hazelnut-food allergy to one of 4 hazelnut-food components
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
RTRP2 - Overview: Tubular Reabsorption of Phosphorus, Random Urine and Serum
Assessing renal reabsorption of phosphorus in a variety of pathological conditions associated with hypophosphatemia including hypophosphatemic rickets, tumor-induced osteomalacia, and tumoral calcinosis Adjusting phosphate replacement...
MTXSG - Overview: Methotrexate Post Glucarpidase, Serum
Monitoring methotrexate concentrations post-glucarpidase therapy Documenting failure to respond that may be due to noncompliance Guiding dosage adjustments in patients with kidney failure
PGK1 - Overview: Phosphoglycerate Kinase Enzyme Activity, Blood
Evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia, especially if X-linked inheritance pattern Evaluation of individuals with myopathic or neurologic symptoms
LPAGF - Overview: Lymphocyte Proliferation to Antigens, Blood
Assessing T-cell function in patients on immunosuppressive therapy, including solid-organ transplant patients Evaluating patients suspected of having impairment in cellular immunity Evaluation of T-cell function in patients with primary...
CAH2T - Overview: Congenital Adrenal Hyperplasia Newborn Screen, Blood Spot
Second-tier testing of newborns with abnormal screening result for congenital adrenal hyperplasia
FMTAG - Overview: Murine Typhus Antibodies, IgG
Detect antibodies following infection with murine typhus.
FBCFS - Overview: Barbiturates Confirmation, Serum
Barbiturates Confirmation, Serum
BRAZR - Overview: Brazil Nut, IgE with Reflex to Brazil Nut Component, IgE, Serum
Evaluation of patients with suspected Brazil nut allergy
ARBOP - Overview: Arbovirus Antibody Panel, IgG and IgM, Serum
Aiding the diagnosis of arboviral encephalitis (California [LaCrosse], St. Louis, Eastern equine, and Western equine encephalitis)
BLWRF - Overview: Walnut-Food, IgE, with Reflex to Walnut-Food Components, IgE, Serum
Evaluation of patients with suspected walnut-food allergy
CRDPU - Overview: Creatine Disorders Panel, Random, Urine
Evaluating patients with a clinical suspicion of arginine:glycine amidinotransferase deficiency, guanidinoacetate methyltransferase deficiency, and creatine transporter deficiency
AGABS - Overview: Alpha-Galactosidase, Blood Spot
Diagnosis of Fabry disease in male patients using blood spot specimens Verifying abnormal serum alpha-galactosidase results in male patients with a clinical presentation suggestive of Fabry disease Follow-up to an abnormal newborn screen...
PEANT - Overview: Peanut, IgE with Reflex to Peanut Components, IgE, Serum
Evaluating patients with suspected peanut allergy Evaluating patients with possible peanut cross-reactivity
WARSQ - Overview: Warfarin Response Genotype, Varies
Identifying patients who may require warfarin dosing adjustments(3,4) including: -Patients being started on a first prescription for warfarin -Patients who have previously been prescribed warfarin and have required multiple dosing...
URIC - Overview: Uric Acid, Serum
Diagnosis and treatment of renal failure Monitoring patients receiving cytotoxic drugs and a variety of other disorders, including gout, leukemia, psoriasis, starvation and other wasting conditions
RTIC - Overview: Reticulocytes, Blood
Assessing erythropoietic bone marrow activity in anemia and other hematologic conditions
ALPRT - Overview: Alport (Collagen IV Alpha 5 and Alpha 2) Immunofluorescent Stain, Renal Biopsy
Assisting in the diagnosis of hereditary nephritis (Alport syndrome)
ELASF - Overview: Pancreatic Elastase, Feces
Diagnosis of exocrine pancreatic insufficiency in case of unexplained diarrhea, constipation, steatorrhea, flatulence, weight loss, upper abdominal pain, and food intolerances Monitoring of exocrine pancreatic function in cystic fibrosis,...
Helpful to identify pregnancies at increased risk of having a child with Down syndrome (trisomy 21), Open Neural Tube Defect (ONTD, spina bifida) and trisomy 18 (T18). This test is not diagnostic. The patient information provided with the...
CRMWC - Overview: Collapsin Response-Mediator Protein-5-IgG, Western Blot, Spinal Fluid
Evaluation of cases of chorea, vision loss, cranial neuropathy and myelopathy
FENTS - Overview: Fentanyl, Serum
Monitoring fentanyl therapy
MTDNU - Overview: Methadone Confirmation, Random, Urine
Monitoring for compliance of methadone treatment for analgesia or drug rehabilitation Assessing compliance with rehabilitation programs by urine measurement of 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine
T4FT4 - Overview: T4 (Thyroxine), Total and Free, Serum
Assessing thyroid function when thyroid function disorders are suspected
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....
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....
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.