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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...

B12 - Overview: Vitamin B12 Assay, Serum

Investigation of macrocytic anemia Workup of deficiencies seen in megaloblastic anemias

RFPN - Overview: Rheumatoid Factor Panel, Serum

Evaluating patients at-risk of rheumatoid arthritis (RA) or features of inflammatory arthritis Differentiating the antibody isotype profile in patients positive for rheumatoid factor (RF) Aid in the risk stratification of RF-seropositive...

LBCS - Overview: Labile Bound Copper, Serum

May be useful in the evaluation of copper-related disorders, including Wilson disease

FVZGC - Overview: Varicella-Zoster Virus Antibody, IgG, CSF

Varicella-Zoster Virus Antibody, IgG, CSF

FRISP - Overview: Risperidone (Risperdal) and 9-Hydroxyrisperidone

Risperidone (Risperdal) and 9-Hydroxyrisperidone

FHHV6 - Overview: Herpes Virus 6 (HHV-6) DNA, Qualitative Real-Time PCR

Herpes Virus 6 (HHV-6) DNA, Qualitative Real-Time PCR

FGNDR - Overview: Gonadotropin Releasing Hormone (Gn-RH, Luteinizing Hormone-Releasing Hormone LT-RH)

Gonadotropin Releasing Hormone (Gn-RH, Luteinizing Hormone-Releasing Hormone LT-RH)

FGFP2 - Overview: IgG4 Food Panel II

IgG4 Food Panel II

FG4FI - Overview: IgG4 Food Panel I

IgG4 Food Panel I

FAU3R - Overview: Anti-U3 RNP Antibodies (Fibrillarin)

Anti-U3 RNP Antibodies (Fibrillarin)

FAMDA - Overview: Anti-MDA-5 Ab (CADM-140)

Anti-MDA-5 Ab (CADM-140)

FASPG - Overview: Aspergillus IgG Precipitins Panel

Aspergillus IgG Precipitins Panel

FANTI - Overview: Anti-IgE

Anti-IgE

FACES - Overview: Acetoacetate, Serum

Acetoacetate, Serum

FSERT - Overview: Sertraline (Zoloft) and Desmethylsertraline

Sertraline (Zoloft) and Desmethylsertraline

FHCCF - Overview: THC Confirmation, MS, SP

THC Confirmation, MS, SP

FFTYC - Overview: Collagen Type II antibody

Collagen Type II antibody

FAPMA - Overview: Anti-PM/Scl-100 Ab

Anti-PM/Scl-100 Ab

FG4FP - Overview: IgG4 Food Panel VIII

IgG4 Food Panel VIII

CAORG - Overview: Comprehensive Marfan, Loeys-Dietz, Ehlers-Danlos, and Aortopathy Gene Panel, Varies

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...

CCPQ - Overview: P/Q-Type Calcium Channel Antibody, Serum

Confirming a diagnosis of Lambert-Eaton syndrome Implicating autoimmunity as a disease-causing mechanism in patients with complex neurologic presentations, particularly in those with a history of cancer Implicating autoimmunity as the...

MALCT - Overview: Plasmodium Percent Parasitemia Reflex, Varies

Calculating percent parasitemia, which can be used to predict prognosis and monitor response to treatment for patients with malaria

PK1 - Overview: Pyruvate Kinase Enzyme Activity, Blood

Evaluation of nonspherocytic hemolytic anemia Evaluation of neonatal anemia or jaundice Evaluation of unexplained noninfectious hepatic failure Evaluation of unexplained iron overload Evaluation of unusually severe hemoglobin S...

PARVG - Overview: Parvovirus B19 Antibodies, IgG, Serum

Serologic detection of recent or past parvovirus B19 infection using IgG antibodies This test is not useful as a screening procedure for the general population.

PARVM - Overview: Parvovirus B19 Antibody, IgM, Serum

Serologic detection of recent or past parvovirus B19 infection using IgM antibodies This test is not useful as a screening procedure for the general population.

ZNUCR - Overview: Zinc/Creatinine Ratio, Random, Urine

Identifying the cause of abnormal serum zinc concentrations using a random urine specimen

VITK1 - Overview: Vitamin K1, Serum

Assessment of circulating vitamin K1 concentration.

ROTA - Overview: Rotavirus Antigen, Feces

Investigation of patients with diarrhea, particularly infants, the elderly, and immunocompromised patients Investigation of nosocomial diarrhea

URPRP - Overview: Ureaplasma species, Molecular Detection, PCR, Plasma

Rapid, sensitive, and specific identification of Ureaplasma urealyticum and Ureaplasma parvum from plasma This test is not intended for medicolegal use.

URBRP - Overview: Ureaplasma species, Molecular Detection, PCR, Blood

Rapid, sensitive, and specific identification of Ureaplasma urealyticum and Ureaplasma parvum from whole blood This test is not intended for medicolegal use.

GFATC - Overview: Glial Fibrillary Acidic Protein Alpha Subunit Antibody, Immunofluorescence Titer Assay, Spinal Fluid

Reporting an end titer result in spinal fluid specimens Distinguishing, in spinal fluid, autoimmune GFAP astrocytopathy from infectious meningoencephalitis and idiopathic inflammatory central nervous system (CNS) disorders such as multiple...

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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.

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