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Diagnosis of inflammatory demyelinating diseases (IDD) with similar phenotype to neuromyelitis optica (NMO) spectrum disorder (NMOSD), including optic neuritis (single or bilateral) and transverse myelitis Diagnosis of autoimmune myelin...
LADV - Overview: Adenovirus, Molecular Detection, PCR, Varies
Aiding in the diagnosis of adenovirus infections
WAGDR - Overview: Alpha Globin Cluster Locus Deletion/Duplication, Blood
Diagnosis of alpha-thalassemia Carrier screening for individuals from high-risk populations for alpha-thalassemia This test is not useful for diagnosis or confirmation of beta-thalassemia or hemoglobinopathies.
EAG - Overview: Hepatitis B Virus e Antigen, Serum
Determining the presence or absence of detectable hepatitis B virus e antigen in monitoring infection status of individuals with chronic hepatitis B Determining infectivity of hepatitis B virus (HBV) carriers Monitoring serologic...
HBNTP - Overview: Hepatitis B Virus Surface Antigen Confirmation, Prenatal, Serum
Diagnosis of acute, recent, or chronic hepatitis B in prenatal patients This test is not useful during the "window period" of acute hepatitis B (ie, after disappearance of hepatitis B virus surface antigen [HBsAg] and prior to appearance...
KRASD - Overview: Cell-Free DNA KRAS 12, 13, 61,146, Blood
An alternative to invasive tissue biopsies for the determination of KRAS 12, 13, 61,146 (G12A, G12C, G12D, G12R, G12S, G12V, G13D, Q61K, Q61L, Q61R, Q61H, and A146T) mutation status Detecting molecular markers associated with response or...
HBIM - Overview: Hepatitis B Virus Core IgM Antibody, Serum
Diagnosis of acute hepatitis B virus (HBV) infection Identifying acute HBV infection in the serologic window period when HBV surface antigen and HBV surface antibody results are negative Differentiation between acute, chronic, or past...
HVA - Overview: Homovanillic Acid, 24 Hour, Urine
Screening children for catecholamine-secreting tumors using a 24-hour urine collection when requesting homovanillic acid only Monitoring neuroblastoma treatment Screening patients with possible inborn errors of catecholamine metabolism
PBGDW - Overview: Porphobilinogen Deaminase, Washed Erythrocytes
Confirmation of a diagnosis of acute intermittent porphyria using washed erythrocyte specimens
C341Q - Overview: Complement C3 and C4 with Anti-C1q Antibodies, Serum
Evaluating patients with suspected anti-C1q vasculitis Predicting renal involvement in patients with systemic lupus erythematosus
SRAU - Overview: Serotonin Release Assay, Unfractionated Heparin, Mass Spectrometry, Serum
Detecting heparin-dependent platelet activating antibodies implicated in the pathogenesis of heparin-induced thrombocytopenia
VMA - Overview: Vanillylmandelic Acid, 24 Hour, Urine
Screening children for catecholamine-secreting tumors using a 24-hour urine collection when requesting testing for vanillylmandelic acid only Supporting a diagnosis of neuroblastoma Monitoring patients with a treated neuroblastoma
WEGG - Overview: Whole Egg, IgE, Serum
Establishing a diagnosis of an allergy to whole egg Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm sensitization prior...
IHC - Overview: Mismatch Repair (MMR) Protein Immunohistochemistry Only, Tumor
Evaluating tumor tissue to identify patients at risk for having hereditary nonpolyposis colon cancer/Lynch syndrome
Aids in monitoring a previously confirmed diagnosis of B-cell acute lymphoblastic leukemia
ALGAL - Overview: Galactose-Alpha-1,3-Galactose (Alpha-Gal), IgE, Serum
As an aid in diagnosis of an IgE mediated hypersensitivity allergy to non-primate mammalian red meat, such as beef, pork, venison, and meat-derived products (eg, gelatin) This test is not useful in patients previously treated with...
EGGPF - Overview: Egg Comprehensive Profile, Serum
Identifying egg allergens: -Responsible for allergic disease and/or anaphylactic episode -To confirm sensitization prior to beginning immunotherapy This test is not useful for patients previously treated with immunotherapy to determine if...
VWD8B - Overview: von Willebrand Disease 2N (Subtype Normandy), Plasma
Diagnosing von Willebrand disease (VWD) type 2N Evaluating patients diagnosed with mild-to-moderate hemophilia A with an autosomal inheritance pattern Evaluating hemophilia A patients with a shortened survival of infused factor VIII...
EGWTP - Overview: Egg White Component Profile, Serum
Identifying egg white allergens: -Responsible for allergic disease and/or anaphylactic episode -To confirm sensitization prior to beginning immunotherapy This test is not useful for patients previously treated with immunotherapy to...
FDISU - Overview: Diuretic Profile, Urine
Diuretic Profile, Urine
AATTA - Overview: Antithrombin Summary Interpretation
Diagnosis of antithrombin deficiency, acquired or congenital Monitoring treatment of antithrombin deficiency disorders, including infusion of antithrombin therapeutic concentrate
BARBU - Overview: Barbiturates Confirmation, Random, Urine
Detecting drug abuse involving barbiturates such as amobarbital, butalbital, pentobarbital, phenobarbital, and secobarbital
The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Reporting an end titer result from spinal fluid specimens
APBCC - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Cell-Binding Assay, Spinal Fluid
The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Evaluating AP3B2 (adaptor protein 3 beta2)-IgG by cell-binding assay using spinal fluid specimens
CULAF - Overview: Culture for Genetic Testing, Amniotic Fluid
Producing amniocyte cultures that can be used for genetic analysis
CHLE - Overview: Cholesteryl Esters, Serum
Establishing a diagnosis of lecithin-cholesterol acyltransferase deficiency Evaluating the extent of metabolic disturbance by bile stasis or liver disease
NCDTC - Overview: Neurochondrin Antibody, Tissue Immunofluorescence Titer, Spinal Fluid
Detecting neurochondrin-IgG in spinal fluid (CSF) from patients presenting with cerebellar and brainstem syndrome Reporting an end titer result from CSF specimens
PDETS - Overview: Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence Titer, Serum
Reporting an end titer result from phosphodiesterase 10A (PDE10A) in serum specimens Evaluation of autoimmune/paraneoplastic neurological syndromes among patients presenting with movement disorders and encephalopathy
PDEIC - Overview: Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence, Spinal Fluid
Detecting phosphodiesterase 10A (PDE10A)-IgG in cerebrospinal fluid specimens Evaluation of autoimmune/paraneoplastic neurological syndromes among patients presenting with movement disorders and encephalopathy
PDETC - Overview: Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence Titer, Spinal Fluid
Reporting an end titer result from phosphodiesterase 10A (PDE10A) in spinal fluid specimens Evaluation of autoimmune/paraneoplastic neurological syndromes among patients presenting with movement disorders and encephalopathy
PDEIS - Overview: Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence, Serum
Detecting phosphodiesterase 10A (PDE10A)-IgG in serum specimens Evaluation of autoimmune/paraneoplastic neurological syndromes among patients presenting with movement disorders and encephalopathy
DLAU - Overview: D-Lactate, Urine
Preferred test for diagnosing D-lactate acidosis, especially in patients with jejunoileal bypass and short-bowel syndrome
CL_F - Overview: Chloride, Feces
Workup of cases of chronic diarrhea Evaluation of suspected chloridorrhea
Determining proliferation of tumor cells in paraffin-embedded tissue blocks from patients diagnosed with neuroendocrine tumors of the pancreas or gastrointestinal tract including metastases
KIPM - Overview: Ki-67(MIB-1), Pulmonary, Quantitative Immunohistochemistry, Manual
Determining proliferation of tumor cells in paraffin-embedded tissue blocks from patients diagnosed with carcinoid or atypical carcinoid of the lung including metastases, using a manual method
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
VITB2 - Overview: Riboflavin (Vitamin B2), Plasma
Evaluation of individuals who present the signs of ariboflavinosis
SDLDL - Overview: Small Dense Low Density Lipoprotein Cholesterol, Serum
Aiding in risk management of lipoprotein disorders associated with cardiovascular disease when used in conjunction with other lipid measurements and clinical evaluation
APBTS - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Tissue Immunofluorescence Titer, Serum
The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Reporting an end titer result from serum specimens
SASP - Overview: Aspergillus fumigatus, IgG Antibodies, Serum
Evaluation of patients suspected of having hypersensitivity pneumonitis (HP) induced by exposure to Aspergillus fumigatus Evaluation of patients suspected of having HP who have documented environmental exposures to high-humidity...
Interpretation for CIDP / Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum
CCTR - Overview: Calcium/Creatinine Ratio, Random, Urine
Calculation of calcium concentration per creatinine concentration
FDMZ - Overview: CNBP DNA Test (DM2)
CNBP DNA Test (DM2)
FCLCN - Overview: CLCN1 DNA Sequencing Test
CLCN1 DNA Sequencing Test
FSCN4 - Overview: SCN4A (Myotonia) DNA Sequencing Test
SCN4A (Myotonia) DNA Sequencing Test
QMPTS - Overview: Monoclonal Protein Isotype, Quantitative, Serum
Aiding in the diagnosis and monitoring of monoclonal gammopathies if used in conjunction with free light chain studies This test alone is not considered an adequate screen for monoclonal gammopathies.
Preferred diagnostic test for the detection of Bordetella pertussis or Bordetella parapertussis This test is not recommended for screening asymptomatic individuals who may carry B pertussis or parapertussis. This test is not recommended...
AATTF - Overview: Antithrombin Activity, with Reflex to Antithrombin Antigen, Plasma
Diagnosis of antithrombin deficiency, acquired or congenital
HEAG - Overview: Hepatitis B Virus e Antigen and Hepatitis B Virus e Antibody, Serum
Determining the presence or absence of detectable hepatitis B virus e antigen and antibody in monitoring infection status of individuals with chronic hepatitis B Determining infectivity of hepatitis B virus (HBV) carriers Monitoring...
Detecting IDH1 R132 and IDH2 R140 and R172 mutations in acute myeloid leukemia patients at the time of diagnosis to guide targeted therapy Monitoring minimal residual disease during the clinical and therapeutic course
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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...