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Test Catalog
GGT - Overview: Gamma-Glutamyltransferase (GGT), Serum
Diagnosing and monitoring hepatobiliary disease, it is currently the most sensitive enzymatic indicator of liver disease Ascertaining whether observed elevations of alkaline phosphatase are due to skeletal disease (normal...
LAIHC - Overview: Lambda Light Chain Immunostain, Technical Component Only
A marker of B-cell and plasma cell clonality and B-cell lineage
LEF1 - Overview: Lymphoid Enhancer-Binding Factor 1(LEF1) Immunostain, Technical Component Only
Differentiating cancers of B-cell origin
LANGR - Overview: Langerin Immunostain, Technical Component Only
Visualization of normal and neoplastic Langerhans cells
LECT2 - Overview: Leukocyte Cell-Derived Chemotaxin 2 (LECT2), Immunostains Without Interpretation
Identification and classification of amyloid subtypes in tissue
IDH1 - Overview: IDH1 Mutation (R132H) Immunostain, Technical Component Only
Classification of gliomas
LFABP - Overview: Liver Fatty Acid-Binding Protein (L-FABP) Immunostain, Technical Component Only
Classification of hepatic adenomas
IRF8 - Overview: Interferon Regulatory Factor 8 (IRF8) Immunostain, Technical Component Only
Identification of monoblasts in acute monoblastic/monocytic leukemia and chronic myelomonocytic leukemia
KAIHC - Overview: Kappa Light Chain Immunostain, Technical Component Only
A marker of clonality and B-cell lineage
HPL - Overview: Human Placental Lactogen Immunostain, Technical Component Only
Aids in the identification of placenta-related tumors
KRT19 - Overview: Keratin 19 (KRT19) Immunostain, Technical Component Only
Aids in the identification of cells expressing low molecular weight cytokeratin (KRT19)
HEMB - Overview: Hemoglobin (Hb) Immunostain, Technical Component Only
Identification of red blood cells and red blood cell precursors
IDH2 - Overview: IHD2, R172K Mutation, Immunostain, Technical Component Only
Identification of IDH2 R172K mutant protein in angioimmunoblastic T-cell lymphoma or acute myeloid leukemia
LACTO - Overview: Lactotransferrin Immunostain, Technical Component Only
Identifying the presence of lactotransferrin in amyloid deposits An adjunct to amyloid-subtyping analysis by mass spectrometry
GCET - Overview: Germinal Center B-cell Expressed Transcript 1 Immunostain, Technical Component Only
Classification of lymphomas
GFAP - Overview: Glial Fibrillary Acidic Protein Immunostain, Technical Component Only
Classification of glial tumors
GLYP3 - Overview: Glypican-3 Immunostain, Technical Component Only
Differentiating hepatocellular carcinomas from other malignancies and hepatic adenomas
GLYCF - Overview: Glycophorin A (CD235a) Immunostain, Technical Component Only
Aiding in the identification of erythroid precursors in bone marrow
GENPA - Overview: Gentamicin, Peak, Serum
Monitoring adequacy of drug clearance during gentamicin therapy
MITF - Overview: MiTF Immunostain, Technical Component Only
Identification of melanomas
NKX3 - Overview: NKX3.1 Immunostain, Technical Component Only
Identifying tumors of prostatic origin
MOLPS - Overview: Molybdenum, Serum
Monitoring of parenteral nutrition Monitoring metallic prosthetic implant wear As an indicator of molybdenum cofactor deficiency
HBME - Overview: Mesothelial Cell (HBME-1) Immunostain, Technical Component Only
Classification of thyroid carcinomas
MYC - Overview: MYC Immunostain, Technical Component Only
Assessment of MYC expression
MYOGE - Overview: Myogenin Immunostain, Technical Component Only
Marker of skeletal muscle differentiation
NUT - Overview: NUT Immunostain, Technical Component Only
Aiding in the diagnosis of nuclear protein in testis midline carcinoma
PTEN - Overview: Phosphatase and Tensin Homolog (PTEN) Immunostain, Technical Component Only
Diagnosis of intraductal prostate carcinoma
OLIG2 - Overview: OLIG2 Immunostain, Technical Component Only
Distinguishing gliomas from neurocytomas and ependymomas
RSVAB - Overview: Respiratory Syncytial Virus (RSV) In Situ Hybridization, Technical Component Only
Aids in the identification of respiratory syncytial viral infection
PRLI - Overview: Prolactin (PRL) Immunostain, Technical Component Only
Subclassification of pituitary adenomas
PSAIM - Overview: Prostate Specific Antigen (PSA) Immunostain, Technical Component Only
Marker of glandular epithelium in normal and neoplastic prostate
P57I - Overview: p57 (KIP2/CDKN1C) Immunostain, Technical Component Only
Aids in the identification of cytotrophoblasts, intermediate trophoblasts, and villous stromal cells
PLAP - Overview: Placental Alkaline Phosphatase (PLAP) Immunostain, Technical Component Only
Aids in the identification of germ cell tumors
D240 - Overview: Podoplanin (D2-D40) Immunostain, Technical Component Only
Aids in the identification of reactive follicular dendritic cells
P62 - Overview: p62 Immunostain, Technical Component Only
Aids in diagnosing argyrophilic grain disease
PAX5 - Overview: PAX-5 Immunostain, Technical Component Only
Classification of lymphomas
PARVI - Overview: Parvovirus Immunostain, Technical Component Only
Identification of parvovirus infection
PACPI - Overview: Prostatic Acid Phosphatase (PACP) Immunostain, Technical Component Only
Identification of normal prostatic epithelium and prostatic adenocarcinoma
SV40 - Overview: SV40 Immunostain, Technical Component Only
Identifying BK or JC polyomavirus
TBET - Overview: T-Box Expressed in T Cells (TBET) Immunostain, Technical Component Only
Classification of lymphomas
TAUI - Overview: TAU Immunostain, Technical Component Only
Analysis of neurodegenerative disorders
TOXCG - Overview: Toxocara Antibody, IgG, Serum
Aiding in the diagnosis of Toxocara infection
TAU4 - Overview: TAU 4 Immunostain, Technical Component Only
Diagnosis of neurodegenerative disorders
TAU3 - Overview: TAU 3 Immunostain, Technical Component Only
Diagnosis of neurodegenerative disorders
SSX18 - Overview: Synovial Sarcoma Panel, Technical Component Only
Aiding in distinguishing synovial sarcomas from similar sarcomas
TRBC1 - Overview: T-Cell Receptor Constant Beta Chain (TRBC1) Immunostain, Technical Component Only
Determination of T-cell clonality in T-cell neoplasms
SMAD4 - Overview: SMAD4 Immunostain, Technical Component Only
Identification of loss of SMAD4 (mothers against decapentaplegic homolog 4 drosophila) expression within pancreatic ductal adenocarcinoma
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
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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....
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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
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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...