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: February 27, 2024...
FPLAT - Overview: Platinum, Serum
Platinum, Serum
FSOM1 - Overview: Somatostatin (Somatotropin Release-Inhibiting Factor, SRIF)
Somatostatin (Somatotropin Release-Inhibiting Factor, SRIF)
FIL2M - Overview: Interleukin 2
Interleukin 2
PVLE - Overview: Paraneoplastic Vision Loss Evaluation, Serum
Evaluating patients with rapidly progressive vision loss where a paraneoplastic cause for vision loss (retinopathy or optic neuritis with other findings [eg, retinitis] is suspected) Evaluating patients with small-cell carcinoma who...
ACLIP - Overview: Phospholipid (Cardiolipin) Antibodies, IgA, Serum
May be of diagnostic significance for patients at risk for antiphospholipid syndrome or systemic lupus erythematosus who test negative for criterial antiphospholipid antibodies
Detection and differentiation between recent, past/resolved, or chronic hepatitis B Diagnosis of recent hepatitis B virus (HBV) infection during the "window period" when both hepatitis B surface (HBs) antigen and anti-HBs are negative...
HBC - Overview: Hepatitis B Virus Core Total Antibodies, Serum
Diagnosis of recent or past hepatitis B Determination of occult hepatitis B in otherwise healthy hepatitis B virus carriers with negative test results for hepatitis B surface (HBs) antigen, anti-HBs, anti-HB core IgM, hepatitis Be (HBe)...
HV1CD - Overview: HIV-1 and HIV-2 Antibodies for Cadaveric or Hemolyzed Specimens, Serum
Diagnosing HIV-1 and/or HIV-2 infection in cadaveric or hemolyzed serum specimens from symptomatic patients with or without risk factors for HIV infection This test is not offered as a screening or confirmatory test for blood donor...
GALT - Overview: Galactose-1-Phosphate Uridyltransferase, Blood
Diagnosis of galactose-1-phosphate uridyltransferase deficiency, the most common cause of galactosemia Confirmation of abnormal state newborn screening results
GLBF - Overview: Glucose, Body Fluid
Aiding in the diagnosis of infection using body fluid specimens
GAL1P - Overview: Galactose-1-Phosphate, Erythrocytes
Monitoring dietary therapy of patients with galactosemia due to deficiency of galactose-1-phosphate uridyltransferase or uridine diphosphate galactose-4-epimerase
GCTF - Overview: Germ Cell Tumor (GCT), Isochromosome 12p, FISH, Tissue
Supporting the diagnosis of germ cell tumors when used conjunction with an anatomic pathology consultation
LBCS - Overview: Labile Bound Copper, Serum
May be useful in the evaluation of copper-related disorders, including Wilson disease
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...
MMLSG - Overview: Antimicrobial Susceptibility, Acid-Fast Bacilli, Slowly Growing, Varies
Determination of resistance of slowly growing mycobacteria to antimicrobial agents
BRAZX - Overview: Brazil Nut Component, IgE, Serum
Evaluation of patients with suspected Brazil nut allergy to component Ber e 1
ROGM - Overview: Measles (Rubeola) Virus Antibody, IgM and IgG, Serum
Diagnosing measles virus infection Determination of immune status of individuals to the measles virus using IgG antibody testing Documentation of previous infection with measles virus in an individual without a previous record of...
NSE - Overview: Neuron-Specific Enolase, Serum
A follow-up marker in patients with neuron-specific enolase-secreting tumors of any type An auxiliary test in the diagnosis of small cell lung carcinoma An auxiliary test in the diagnosis of carcinoids, islet cell tumors, and...
PEE - Overview: Porphyrins Evaluation, Whole Blood
Establishing a biochemical diagnosis of erythropoietic protoporphyria and X-linked dominant protoporphyria
CMVPV - Overview: Cytomegalovirus (CMV) Molecular Detection, PCR, Varies
Rapid qualitative detection of cytomegalovirus (CMV) DNA This test is not intended for the monitoring of CMV disease progression.
CHIKV - Overview: Chikungunya IgM and IgG, Antibody, Serum
Aiding in the diagnosis of recent infection with Chikungunya virus in patients with recent travel to endemic areas and a compatible clinical syndrome
EPCRB - Overview: Ehrlichia/Anaplasma, Molecular Detection, PCR, Blood
Evaluating patients suspected of acute anaplasmosis or ehrlichiosis This test should not be used for screening asymptomatic individuals.
GALTP - Overview: Galactose-1-Phosphate Uridyltransferase Biochemical Phenotyping, Erythrocytes
Determining the biochemical phenotype for galactosemia when enzymatic and molecular results are incongruent
MLHPB - Overview: MLH1 Hypermethylation Analysis, Blood
As an adjunct to positive hypermethylation in tumor to distinguish between somatic and germline hypermethylation As an adjunct to negative MLH1 germline testing in cases where colon or endometrial tumor demonstrates microsatellite...
HV1CM - Overview: HIV-1 and HIV-2 Antibody Screen for Hemolyzed Specimens, Serum
Screening cadaveric or hemolyzed serum specimens for HIV-1 and/or HIV-2 infection in nonsymptomatic patients with or without risk factors for HIV infection This test is not offered as a screening or confirmatory test for blood donor...
17OHP - Overview: 17-Hydroxypregnenolone, Serum
As an ancillary test for congenital adrenal hyperplasia (CAH), particularly in situations in which a diagnosis of both 21- and 11-hydroxylase deficiency have been ruled out Confirming a diagnosis of 3-beta-hydroxysteroid dehydrogenase...
FPEPI - Overview: Pepsinogen I (PG I)
Pepsinogen I (PG I)
FHC18 - Overview: 18-Hydroxycorticosterone, Serum
18-Hydroxycorticosterone, Serum
FMELA - Overview: Melatonin, Plasma
Melatonin, Plasma
FCCK1 - Overview: Cholecystokinin (CCK)
Cholecystokinin (CCK)
FCARO - Overview: Carotene, Beta
Confirm the diagnosis of carotenoderma; detect fat malabsorption; depressed carotene levels may be found in cases of steatorrhea.
FMETN - Overview: Metformin, Plasma
Metformin, Plasma
FPROP - Overview: Propofol, Serum/Plasma
Propofol, Serum/Plasma
FCATB - Overview: Carotene, Beta
Confirming the diagnosis of carotenoderma Detecting fat malabsorption Depressed carotene levels may be found in cases of steatorrhea.
PAC1 - Overview: Paraneoplastic, Autoantibody Evaluation, Spinal Fluid
Aiding in the diagnosis of paraneoplastic neurological autoimmune disorders related to carcinoma of lung, breast, ovary, thymoma, or Hodgkin lymphoma using spinal fluid specimens
NHEM - Overview: Hereditary Erythrocytosis Focused Gene Panel, Next-Generation Sequencing, Varies
Focused evaluation of an individual with JAK2-V617F negative erythrocytosis associated with lifelong sustained increased red blood cell (RBC) mass, hemoglobin, or hematocrit Providing a focused genetic evaluation for patients with a...
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...
MAC1 - Overview: Myelopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid
Evaluating patients with suspected autoimmune myelopathy, myelitis, and paraneoplastic myelopathy using spinal fluid specimens
POLET - Overview: POLE Mutation Analysis, Next-Generation Sequencing, Tumor
Identifying specific mutations within the POLE gene to assist in tumor diagnosis/classification
HBAB - Overview: Hepatitis B Virus Surface Antibody, Qualitative/Quantitative, Serum
Identifying previous exposure to hepatitis B virus Determining adequate immunity from hepatitis B vaccination
HBCSN - Overview: Hepatitis B Virus Core Total Antibodies Screen, Serum
Diagnosis of recent or past hepatitis B Determination of occult hepatitis B in otherwise healthy hepatitis B virus carriers with negative test results for hepatitis B surface (HBs) antigen, anti-HBs, anti-hepatitis B core IgM, hepatitis...
HBCPR - Overview: Hepatitis B Virus Core Total Antibodies Prenatal, Serum
Diagnosis of recent or past hepatitis B in pregnant individuals Determination of occult hepatitis B in otherwise healthy hepatitis B virus carriers with negative test results for hepatitis B surface (HBs) antigen, anti-HBs, anti-hepatitis...
HBBSN - Overview: Hepatitis B Virus Surface Antibody Screen, Qualitative/Quantitative, Serum
Identifying previous exposure to hepatitis B virus
Aiding in the diagnosis of Helicobacter pylori infection and prediction of clarithromycin resistance or susceptibility directly from stool
FAPM - Overview: Fatty Acid Profile, Mitochondrial (C8-C18), Serum
Biochemical diagnosis of inborn errors of mitochondrial fatty acid oxidation, including deficiencies of medium-chain acyl-Co-A dehydrogenase, long-chain 3-hydroxyacyl-Co-A dehydrogenase, very long-chain acyl-Co-A dehydrogenase, and glutaric...
AMA - Overview: Mitochondrial Antibodies (M2), Serum
Establishing the diagnosis of primary biliary cholangitis This test is not useful for indicating the stage or prognosis of the disease or for monitoring the course of the disease.
ALDG2 - Overview: Autoimmune Liver Disease Panel, Serum
Evaluating patients with suspected autoimmune liver disease, specifically autoimmune hepatitis or primary biliary cholangitis Evaluating patients with liver disease of unknown etiology
BTWGS - Overview: Bacterial Typing, Whole Genome Sequencing, Varies
Aiding in the investigation of a potential outbreak by a single bacterial species May assist in identification of recurrent infection in an individual patient
MB2GP - Overview: Beta-2 Glycoprotein 1 Antibodies, IgM, Serum
Evaluating patients with suspected antiphospholipid syndrome by identification of beta-2 glycoprotein 1 IgM antibodies First-line test when antiphospholipid syndrome is strongly suspected in conjunction with cardiolipin antibodies (IgG...
Information: Interpreting Laboratory Tests to Determine New vs. Residual Use of Marijuana - Insights
In this month's "Hot Topic," Paul Jannetto, Ph.D., identifies how to determine new vs. residual use of marijuana in a patient, and teaches how to calculate the carboxy-tetrahydrocannabinol (carboxy-THC)...
Laboratory and Pathology Research Roundup: March 12 - Insights
known. We performed laser microdissection (LCM) of glomeruli followed by mass spectrometry (MS) in 12 cases each of DDD, C3GN, and pretransplant kidney control biopsies....
COVID-19: At-home sample collection vs. at-home testing - Insights
The concept of at-home testing for COVID-19 sounds straightforward. But there's nuance to it that's important to understand. Right now, an at-home test for COVID-19 is not available, although there may be one coming soon. But in some areas,...
Clinic Laboratory and Pathology Research Roundup: Nov. 12 - Insights
This week’s Research Roundup highlights a mechanism for preventing asymmetric histone segregation onto replicating DNA strands.
Transfusion Toons: A1 vs. A2 - Insights
Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched “Transfusion...