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Test Catalog
MYOGE - Overview: Myogenin Immunostain, Technical Component Only
Marker of skeletal muscle differentiation
SV40 - Overview: SV40 Immunostain, Technical Component Only
Identifying BK or JC polyomavirus
TRYPN - Overview: Trypsin Immunostain, Technical Component Only
Identifying cells with acinar differentiation in the pancreas
TCRGD - Overview: T-Cell Receptor Delta Immunostain, Technical Component Only
Classification of lymphomas
TDT - Overview: Terminal Deoxynucleotidyl Transferase (TdT) Immunostain, Technical Component Only
Classification of leukemias or lymphomas
TFE3I - Overview: Transcription Factor E3 (TFE3) Immunostain, Technical Component Only
Assessment of transcription factor E3 expression
TPIT - Overview: T-PIT Immunostain, Technical Component Only
Diagnosis of corticotroph, silent corticotroph, and null cell adenomas of the pituitary
Aids in distinguishing solitary fibrous tumor from morphologic mimics
TAUI - Overview: TAU Immunostain, Technical Component Only
Analysis of neurodegenerative disorders
TLE1 - Overview: TLE-1 Immunostain, Technical Component Only
Aids in the identification of synovial sarcoma
TOXO - Overview: Toxoplasma Immunostain, Technical Component Only
Identification of Toxoplasma gondii infection
TBET - Overview: T-Box Expressed in T Cells (TBET) Immunostain, Technical Component Only
Classification of lymphomas
THYR - Overview: Thyroglobulin Immunostain, Technical Component Only
Classification of thyroid carcinoma
SMAD4 - Overview: SMAD4 Immunostain, Technical Component Only
Identification of loss of SMAD4 (mothers against decapentaplegic homolog 4 drosophila) expression within pancreatic ductal adenocarcinoma
TAU4 - Overview: TAU 4 Immunostain, Technical Component Only
Diagnosis of neurodegenerative disorders
TAU3 - Overview: TAU 3 Immunostain, Technical Component Only
Diagnosis of neurodegenerative disorders
VZM - Overview: Varicella-Zoster Virus (VZV) Antibody, IgM, Serum
Diagnosing acute-phase infection with varicella-zoster virus
VIM - Overview: Vimentin Immunostain, Technical Component Only
Identification of cells of mesenchymal origin in normal and neoplastic tissues
TOXCG - Overview: Toxocara Antibody, IgG, Serum
Aiding in the diagnosis of Toxocara infection
STAT3 - Overview: Phosphorylated STAT3 at Tyrosine 705 (pSTAT3-Y705), Technical Component Only
Subclassification for anaplastic large cell lymphoma
NF2 - Overview: Merlin (NF2) Immunostain, Technical Component Only
The distinction of reactive mesothelial proliferation from mesothelioma
TRBC1 - Overview: T-Cell Receptor Constant Beta Chain (TRBC1) Immunostain, Technical Component Only
Determination of T-cell clonality in T-cell neoplasms
APTTP - Overview: Activated Partial Thromboplastin Time, Plasma
Monitoring heparin therapy (unfractionated heparin) Screening for certain coagulation factor deficiencies Detection of coagulation inhibitors such as lupus anticoagulant, specific factor inhibitors, and nonspecific inhibitors
BTB46 - Overview: ZBTB46 Immunostain, Technical Component Only
Identification of dendritic cells and classification of histiocytic disorders
YAP1 - Overview: Yes-Associated Protein (YAP) Immunostain, Technical Component Only
Identification and differentiation of medulloblastomas
SCL70 - Overview: Scl 70 Antibodies, IgG, Serum
Evaluating patients with clinical features of systemic sclerosis and in the differential evaluation of individuals at-risk for connective tissue disease with Hep-2 substrate antinuclear antibody positive result, preferably using antinuclear...
JAK2B - Overview: JAK2 V617F Mutation Detection, Blood
Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder using peripheral blood specimens
JAK2V - Overview: JAK2 V617F Mutation Detection, Varies
Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder using extracted DNA specimens
JCPCR - Overview: JC Virus, Molecular Detection, PCR, Spinal Fluid
Aiding in diagnosing progressive multifocal leukoencephalopathy due to JC virus This test is not to be used as a diagnostic tool for Creutzfeldt-Jakob disease This test is not recommended for screening asymptomatic patients
JO1 - Overview: Jo 1 Antibodies, IgG, Serum
Evaluating patients with clinical features of idiopathic inflammatory myositis, especially those with clinical features suggestive of anti-synthetase syndrome or interstitial lung disease
CORTU - Overview: Cortisol, Free, 24 Hour, Urine
Preferred screening test for Cushing syndrome Diagnosis of pseudo-hyperaldosteronism due to excessive licorice consumption Test may not be useful in the evaluation of adrenal insufficiency.
MPO - Overview: Myeloperoxidase Antibodies, IgG, Serum
Evaluating patients with clinical features anti-neutrophil cytoplasmic antibody associated vasculitis, specifically granulomatosis with polyangiitis, microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis...
RBPG - Overview: Rubella Antibodies, IgG, Serum
Determining immune status to the rubella virus
RNP - Overview: RNP Antibodies, IgG, Serum
Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive Testing for ribonucleoprotein particle antibodies is not useful in patients without demonstrable...
DCME - Overview: Dendritic Cell and Monocyte Enumeration, Blood
Aiding in the diagnosis of patients suspected of defects in innate immunity, particularly those involving monocyte and dendritic cell development This test has not been validated for the diagnosis of hematologic malignancies.
EAEBV - Overview: Epstein-Barr Virus Early Antigen, IgG, Serum
Diagnosis of Epstein Barr virus (EBV) infectious mononucleosis in cases when heterophile antibody test results are negative and EBV-specific serologic testing is inconclusive Aiding in the diagnosis of type 2 or type 3 nasopharyngeal...
PF199 - Overview: Carbohydrate Antigen 19-9 (CA 19-9), Pleural Fluid
An adjuvant to cytology and imaging studies to differentiate between nonmalignant and malignant causes of pleural effusions
ADVQU - Overview: Adenovirus DNA Detection and Quantification, Plasma
Aiding in the diagnosis of disseminated adenovirus infections in at-risk individuals Measuring adenoviral load in plasma to monitor disease progression and antiviral response in individuals with disseminated infection
AH50 - Overview: Alternative Complement Pathway, Functional, Serum
Investigation of suspected alternative pathway complement deficiency, atypical hemolytic uremic syndrome, C3 glomerulonephritis, and dense-deposit disease
CMVQN - Overview: Cytomegalovirus (CMV) DNA Detection and Quantification by Real-Time PCR, Plasma
Detection and quantification of cytomegalovirus (CMV) viremia Monitoring CMV disease progression and response to antiviral therapy
GNPLT - Overview: Platelet Disorders, Comprehensive Gene Panel, Next-Generation Sequencing, Varies
Evaluating hereditary platelet disorders in patients with a personal or family history suggestive of a hereditary platelet disorder Diagnosing hereditary platelet disorders for patients in whom phenotypic testing is nondiagnostic, but...
NY State Informed Consent Tests - Mayo Clinic Laboratories
Test Catalog AlgorithmsDownload Test Catalog & Interpretive HandbookNew TestsNY State Informed Consent TestsPerforming LocationsReferred TestsSpecialty TestingTest Updates...
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...
PBKQN - Overview: BK Virus DNA Detection and Quantification, Plasma
Detection and serial monitoring of BK virus-associated nephropathy in kidney transplant recipients using plasma specimens Detection and serial monitoring of BK virus-associated hemorrhagic cystitis in organ transplant recipients
CRCOF - Overview: Chromium and Cobalt, Synovial Fluid
Monitoring metallic prosthetic implant wear and local tissue destruction in failed hip arthroplasty constructs This test is not useful for assessment of vitamin B12 activity.
JAK2M - Overview: JAK2 V617F Mutation Detection, Bone Marrow
Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder using bone marrow specimens
HEX4 - Overview: Glucotetrasaccharides, Random, Urine
Diagnosing Pompe disease, when used in conjunction with acid alpha-glucosidase enzyme activity assays and molecular genetic analysis of the GAA gene Monitoring patients with Pompe disease on enzyme replacement therapy May support the...
DHTS - Overview: Dihydrotestosterone, Serum
Monitoring patients receiving 5-alpha reductase inhibitor therapy or chemotherapy Evaluating patients with possible 5-alpha reductase deficiency
COWB - Overview: Cobalt, Blood
Monitoring exposure to cobalt using whole blood specimens Monitoring metallic prosthetic implant wear This test is not useful for assessment of vitamin B12 activity.
ORXNA - Overview: Orexin-A/Hypocretin-1, Spinal Fluid
Aiding in the diagnosis and differentiation of type 1 narcolepsy from other causes of hypersomnolence This assay is not intended for use as a screening test.
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Primary ciliary dyskinesia - Insights
Learn more about Mayo Clinic Laboratories’ robust approach to testing for primary ciliary dyskinesia, a rare genetic condition that can lead to chronic otosinopulmonary disease and infertility in men....
CPT Codes and LOINC Update: September 2019 - Insights
View a full list of new CPT codes, Test Classification Updates, LOINC Codes, and Z-Codes posted to mayocliniclabs.com during the month of September 2019....
https://www.mayocliniclabs.com/it-mmfiles/cpt-code-changes.xlsx
note, CPT Code changes listed on this document are effective January 1st, 2025.*** ***Updates and other changes may occur, and be reflected on this document, leading up to 2025*** ***CPT Code Updates...
MCL Primary Ciliary Dyskinesia Genetic Testing Patient Information MC1235297
MCL Primary Ciliary Dyskinesia Genetic Testing Patient Information Complete print Reset Form Primary Ciliary Dyskinesia Genetic Testing Patient Information Instructions Accurate interpretation reporting...
New communication process for CPT Code changes - Insights
Mayo Clinic Laboratories (MCL) is pleased to announce an essential update to our CPT code communication process and website layout. This change is designed to bring timely notifications for accurate billing...