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Test Catalog
AFP - Overview: Alpha-Fetoprotein (AFP) Tumor Marker, Serum
Follow-up management of patients undergoing cancer therapy, especially for testicular and ovarian tumors and for hepatocellular carcinoma Often used in conjunction with human chorionic gonadotropin.(2) This test is not recommended as a...
F5DNA - Overview: Factor V Leiden (R506Q) Mutation, Blood
Patients with clinically suspected thrombophilia and: 1. Activated protein C (APC)-resistance either proven or suspected by a low or borderline APC-resistance ratio or 2. A family history of factor V Leiden
MGMR - Overview: Myasthenia Gravis Evaluation with Muscle-Specific Kinase (MuSK) Reflex, Serum
Diagnosing autoimmune myasthenia gravis (MG) in adults and children Distinguishing autoimmune from congenital MG in adults and children or other acquired forms of neuromuscular junction transmission disorders Establishing a quantitative...
SSB - Overview: SS-B/La Antibodies, IgG, Serum
Evaluating patients with clinical features or at-risk for connective tissue disease, especially Sjögren syndrome.
MGLE - Overview: Myasthenia Gravis/Lambert-Eaton Myasthenic Syndrome Evaluation, Serum
Confirming the autoimmune basis of a defect in neuromuscular transmission (eg, myasthenia gravis [MG], Lambert-Eaton myasthenic syndrome [LEMS]) Distinguishing LEMS from autoimmune forms of MG Providing a quantitative autoantibody...
C9ORF - Overview: C9orf72 Hexanucleotide Repeat, Molecular Analysis, Varies
Molecular confirmation of clinically suspected cases of c9FTD/ALS, frontotemporal dementia (FTD), or amyotrophic lateral sclerosis (ALS) Presymptomatic testing for individuals with a family history of c9FTD/ALS and a documented expansion...
CARNU - Overview: Carnitine, Random, Urine
Evaluation of patients with a clinical suspicion of a wide range of conditions including organic acidemias and fatty acid oxidation disorders Monitoring carnitine treatment
Supporting the diagnosis of endometrial stromal tumors when used in conjunction with an anatomic pathology consultation
HYPBG - Overview: Hypobetalipoproteinemia Gene Panel, Varies
Providing a genetic evaluation for patients with a personal or family history suggestive of familial hypobetalipoproteinemia
CMVM - Overview: Cytomegalovirus (CMV) Antibodies, IgM, Serum
Aiding in the diagnosis of acute infection with cytomegalovirus This test should not be used for screening blood or plasma donors.
CMVP - Overview: Cytomegalovirus (CMV) Antibodies, IgM and IgG, Serum
Aiding in the diagnosis of acute or past infection with cytomegalovirus (CMV) Determining prior exposure to CMV This test should not be used for screening blood or plasma donors.
HER2I - Overview: HER2 Immunostain, Technical Component Only
Qualitative detection of HER2 protein overexpression in a diagnostic setting in formalin-fixed paraffin-embedded tissue sections
SSAB - Overview: SS-A and SS-B Antibodies, IgG, Serum
Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive, especially those with signs and symptoms consistent with Sjogren syndrome or lupus erythematosus This test...
BAMRP - Overview: Bile Acids Malabsorption Panel, Serum and Feces
Aiding in the evaluation of patients suspected of having chronic diarrhea symptoms due to bile acid malabsorption
NAGR - Overview: Hexosaminidase A and Total, Leukocytes/Molecular Reflex, Whole Blood
Carrier detection and diagnosis of Tay-Sachs disease Carrier detection and diagnosis of Sandhoff disease
AGABS - Overview: Alpha-Galactosidase, Blood Spot
Diagnosis of Fabry disease in male patients using blood spot specimens Verifying abnormal serum alpha-galactosidase results in male patients with a clinical presentation suggestive of Fabry disease Follow-up to an abnormal newborn screen...
ALUPP - Overview: Lupus Anticoagulant Profile, Plasma
Confirming or excluding the presence of lupus anticoagulant (LA), distinguishing LA from specific coagulation factor inhibitors and nonspecific inhibitors Investigating a prolonged activated thromboplastin time, especially when combined...
REVEI - Overview: Erythrocytosis Interpretation
Interpretation of Erythrocytosis Evaluation profile test Definitive, comprehensive, and economical evaluation of an individual with JAK2-negative erythrocytosis associated with lifelong sustained increased hemoglobin or hematocrit
THSCM - Overview: Thyroid Function Cascade, Serum
Screening for a diagnosis of thyroid disease
Predicting potential for toxicity to thiopurine drugs (6-mercaptopurine, 6-thioguanine, and azathioprine)
DOXA1 - Overview: Oxalate Analysis, Hemodialysate
Determining the amount of oxalate removed during a dialysis session Individualizing the dialysis prescription of hyperoxaluric patients
BA48F - Overview: Bile Acids, Bowel Dysfunction, 48 Hour, Feces
Aids in evaluation of patients suspected of having irritable bowel syndrome-diarrhea symptoms due to bile acid malabsorption
IGM - Overview: Immunoglobulin M (IgM), Serum
Detecting or monitoring of IgM monoclonal gammopathies and IgM-related immune deficiencies
IGG - Overview: Immunoglobulin G (IgG), Serum
Detecting or monitoring of IgG monoclonal gammopathies and immune deficiencies
IMMG - Overview: Immunoglobulins (IgG, IgA, and IgM), Serum
Detecting or monitoring of monoclonal gammopathies and immune deficiencies
UGTFZ - Overview: UDP-Glucuronosyltransferase 1A1 (UGT1A1), Full Gene Sequencing, Varies
Establishing a diagnosis of Crigler-Najjar syndrome type I or type II and the trait of Gilbert syndrome Establishing carrier status for Crigler-Najjar syndrome type I or type II Identifying individuals who are at risk of...
DCORT - Overview: 11-Deoxycortisol, Serum
Diagnostic workup of patients with congenital adrenal hyperplasia Part of metyrapone testing in the workup of suspected secondary or tertiary adrenal insufficiency Part of metyrapone testing in the differential diagnostic workup of...
MITOP - Overview: Mitochondrial Full Genome Analysis, Next-Generation Sequencing (NGS), Varies
Diagnosis of the subset of mitochondrial diseases that results from variants in the mitochondrial genome A second-tier test for patients in whom previous targeted gene variant analyses for specific mitochondrial disease-related genes were...
FSH - Overview: Follicle-Stimulating Hormone (FSH), Serum
An adjunct in the evaluation of menstrual irregularities Evaluating patients with suspected hypogonadism Predicting ovulation Evaluating infertility Diagnosing pituitary disorders
FSLAA - Overview: Soluble Liver Antigen (SLA) Autoantibody
Soluble Liver Antigen (SLA) Autoantibody
KI67 - Overview: Ki-67 (MIB-1) Immunostain, Technical Component Only
A marker of proliferation in neoplasms
IGA - Overview: Immunoglobulin A (IgA), Serum
Detection or monitoring of IgA monoclonal gammopathies and IgA-related immune deficiencies
PNTO - Overview: Streptococcus pneumoniae IgG Antibodies, Total, Serum
Assessing the IgG antibody response to active immunization with nonconjugated 23-valent pneumococcal vaccines Assessing the IgG antibody response to active immunization with conjugated 13-valent, 15-valent and 20-valent pneumococcal...
RAT11 - Overview: Oxalate/Creatinine Ratio, Urine
Calculating the oxalate concentration per creatinine
PNBX - Overview: Peripheral Nerve Pathology Consultation
Evaluating diseases of the nerve and disorders that affect nerve function
HERBN - Overview: HER2, Breast, Quantitative Immunohistochemistry, Automated, No Reflex
Determining overexpression of HER2 protein on formalin-fixed, paraffin-embedded tissue sections without a reflex to FISH testing This FDA-approved test is most frequently used to evaluate HER2 overexpression in breast cancer
HERMB - Overview: HER2, Breast, Semi-Quantitative Immunohistochemistry, Manual with HER2 FISH Reflex
Determining overexpression of HER2 protein on formalin-fixed, paraffin-embedded tissue sections
7AC4 - Overview: 7AC4, Bile Acid Synthesis, Serum
Screening for bile acid malabsorption in patients with irritable bowel syndrome with diarrhea
PNTOR - Overview: Streptococcus pneumoniae IgG Antibodies, Total, with Reflex, Serum
Assessing the IgG antibody response to active immunization with nonconjugated 23-valent pneumococcal vaccines Assessing the IgG antibody response to active immunization with conjugated 13-valent, 15-valent and 20-valent pneumococcal...
ACTH - Overview: Adrenocorticotropic Hormone, Plasma
Determining the cause of hypercortisolism and hypocortisolism
RO60 - Overview: Ro60 Antibody, IgG, Serum
Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiating single vs double positivity for Ro52 and Ro60 antibodies in combination with anti-Ro60
ROPAN - Overview: Ro52 and Ro60 Antibodies, IgG, Serum
Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiation of antibodies to Ro52 and Ro60 in patients known to be positive for anti-SS-A (Ro) antibodies
RO52 - Overview: Ro52 Antibody, IgG, Serum
Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiating single vs double positivity for Ro52 and Ro60 antibodies in combination with anti-Ro60
BWRS - Overview: Beckwith-Wiedemann Syndrome/Russell-Silver Syndrome, Molecular Analysis, Varies
Confirming a clinical diagnosis of Beckwith-Wiedemann syndrome (BWS) or Russell-Silver syndrome (RSS) Prenatal diagnosis if there is a high suspicion of BWS/RSS based on ultrasound findings or in families at risk for BWS/RSS This assay...
CURC - Overview: Copper/Creatinine Ratio, Urine
Measurement of copper concentration of a part of the investigation of Wilson disease and obstructive liver disease using a random urine specimen
TTST - Overview: Testosterone, Total, Mass Spectrometry, Serum
Evaluating men with symptoms or signs of possible hypogonadism, such as loss of libido, erectile dysfunction, gynecomastia, osteoporosis, or infertility Evaluating boys with delayed or precocious puberty Monitoring testosterone...
ALP - Overview: Alkaline Phosphatase, Serum
Diagnosing and monitoring treatment of liver, bone, intestinal, and parathyroid diseases
CURCU - Overview: Copper/Creatinine Ratio, Random, Urine
Investigation of Wilson disease and obstructive liver disease using a random urine specimen
CD2 - Overview: CD2 Immunostain, Technical Component Only
Determining T-cell lineage
CALRC - Overview: Calreticulin ex9mut Immunostain, Technical Component Only
Identifying the presence of CALR exon 9 frameshift alterations in myeloproliferative neoplasms
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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...