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Test Catalog
ML1HM - Overview: MLH1 Hypermethylation Analysis, Tumor
An adjunct to tumor microsatellite instability and mismatch repair protein immunohistochemistry testing when colon or endometrial tumor demonstrates microsatellite instability (MSI-H) and loss of MLH1 protein expression to help distinguish...
Evaluating hereditary thrombotic thrombocytopenic purpura (TTP) in patients with a personal or family history suggestive of thrombotic microangiopathy Confirming a hereditary TTP diagnosis with the identification of known or suspected...
GID2 - Overview: Gastrointestinal Dysmotility, Autoimmune/Paraneoplastic Evaluation, Serum
Investigating unexplained weight loss, early satiety, anorexia, nausea, vomiting, constipation, or diarrhea in a patient with a past or family history of cancer or autoimmunity Directing a focused search for cancer Investigating...
Aiding in the diagnosis of California (La Crosse) encephalitis using spinal fluid specimens
NITU - Overview: Nitrogen, Total, 24 Hour, Urine
Assessing nutritional status (protein malnutrition) Assessment of protein nutrition and nitrogen balance in hospitalized patients Evaluating protein catabolism Determining nitrogen balance, when used in conjunction with 24-hour fecal...
PRMB - Overview: Primidone and Phenobarbital, Serum
Assessing compliance Monitoring for appropriate therapeutic levels of primidone and phenobarbital Assessing toxicity
PIK3B - Overview: Cell-Free DNA PIK3CA Test, Blood
Identification of hormone receptor positive and human epidermal growth factor receptor 2 negative (HR+/HER2-) advanced breast cancer tumors that may be eligible for treatment with targeted kinase inhibitor therapy (eg, alpelisib).
SFZ - Overview: Sulfamethoxazole, Serum
Monitoring sulfamethoxazole therapy to ensure drug absorption, clearance, or compliance
Detecting tripartite motif-containing protein 46 (TRIM46)-IgG by cell-binding assay using cerebrospinal fluid specimens Evaluation of an autoimmune/paraneoplastic neurological syndrome among patients presenting with cerebellar ataxia,...
Detecting tripartite motif-containing protein 46 (TRIM46)-IgG in serum specimens Evaluation of an autoimmune/paraneoplastic neurological syndrome among patients presenting with cerebellar ataxia, encephalitis, or encephalomyelitis
PLFAT - Overview: Cryptococcus Antigen Titer, Lateral Flow Assay, Pleural Fluid
Diagnosis of infection with Cryptococcus species
PACP - Overview: Prostatic Acid Phosphatase, Serum
Aiding in predicting recurrence after radical prostatectomy for clinically localized prostate cancer Following response to androgen ablation therapy, when used in conjunction with prostate-specific antigen
NIUC - Overview: Nickel/Creatinine Ratio, Random, Urine
Measurement of nickel concentration for biomonitoring nickel exposure
ANA2 - Overview: Antinuclear Antibodies (ANA), Serum
Evaluating patients at-risk for antinuclear antibodies-associated systemic autoimmune rheumatic disease particularly systemic lupus erythematosus, Sjogren syndrome, and mixed connective tissue disease
FOBT - Overview: Fecal Occult Blood, Colorectal Cancer Screen, Qualitative, Immunochemical, Feces
Colorectal cancer screening Screening for gastrointestinal bleeding This test has not been validated for testing of patients with hemoglobinopathies.
HGH - Overview: Growth Hormone, Serum
Diagnosis of acromegaly and assessment of treatment efficacy when interpreted in conjunction with results from glucose suppression test Diagnosis of human growth hormone deficiency when interpreted in conjunction with results from growth...
SHUR - Overview: Schistosoma Exam, Random, Urine
Aiding in the diagnosis of schistosomiasis infections involving the urinary tract
FFTEN - Overview: Tetrahydrobiopterin and Neopterin Profile (BH4, N)
Tetrahydrobiopterin and Neopterin Profile (BH4, N)
APOEG - Overview: Apolipoprotein E Genotyping, Blood
Determining the specific apolipoprotein E (APOE) genotypes in individuals with type III hyperlipoproteinemia Determining the specific APOE genotypes that may increase risk for amyloid related imaging abnormalities in individuals being...
CHIMS - Overview: Chimerism Transplant Sorted Cells, Varies
Determining the relative amounts of donor and recipient cells in a specimen in sorted cell fractions An indicator of bone marrow transplant success
17PRN - Overview: Pregnenolone and 17-Hydroxypregnenolone, Serum
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...
MAC1 - Overview: Myelopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid
Evaluating patients with suspected autoimmune myelopathy, myelitis, and paraneoplastic myelopathy using spinal fluid specimens
CDCOM - Overview: Celiac Disease Comprehensive Cascade, Serum and Whole Blood
Evaluating patients suspected of having celiac disease, including patients with compatible symptoms, patients with atypical symptoms, and individuals at increased risk (family history, previous diagnosis with associated...
LCMS - Overview: Leukemia/Lymphoma Immunophenotyping, Flow Cytometry, Varies
Evaluating lymphocytoses of undetermined etiology Identifying B- and T-cell lymphoproliferative disorders involving blood and bone marrow Distinguishing acute lymphoblastic leukemia (ALL) from acute myeloid leukemia (AML) Immunologic...
SMNDX - Overview: Spinal Muscular Atrophy Diagnostic Assay, Deletion/Duplication Analysis, Varies
First-tier newborn screening for spinal muscular atrophy (SMA) Prenatal testing for SMA Diagnostic testing to confirm a suspected diagnosis of SMA
FAPCP - Overview: Fatty Acid Profile, Comprehensive (C8-C26), Serum
Monitoring patients undergoing diet therapy for mitochondrial or peroxisomal disorders (possibly inducing essential fatty acid deficiency in response to restricted fat intake) using serum specimens Monitoring treatment of essential fatty...
CSU - Overview: Chyluria Screen, Random, Urine
Aiding in the diagnosis of chyluria (galacturia)
FGHTP - Overview: Ghrelin Total (Plasma)
Ghrelin Total (Plasma)
MSFNG - Overview: Fibronectin Glomerulopathy Confirmation, Mass Spectrometry
Aiding in the diagnosis of fibronectin glomerulopathy
BCGBM - Overview: Immunoglobulin Gene Rearrangement, PCR, Bone Marrow
Determining whether a B-cell or plasma cell population is polyclonal or monoclonal using bone marrow specimens Identifying neoplastic cells as having B-cell or plasma cell differentiation Monitoring for a persistent neoplasm by...
WASQR - Overview: Alpha-Globin Gene Sequencing, Blood
Testing for nondeletional alpha thalassemia in a symptomatic individual Follow-up testing to an abnormal hemoglobin electrophoresis that identified an alpha-globin chain variant Evaluating for nondeletional alpha thalassemias in an...
CCMVS - Overview: Congenital Cytomegalovirus (cCMV), Molecular Detection, PCR, Saliva
Aiding in the rapid diagnosis of cytomegalovirus (CMV) infections in neonates 21 days of age or younger using saliva specimens
CIMRP - Overview: Coccidioides immitis/posadasii, Molecular Detection, PCR, Varies
Rapid detection of Coccidioides DNA, preferred method An aid in diagnosing coccidioidomycosis
F_2 - Overview: Coagulation Factor II Activity Assay, Plasma
Diagnosing a congenital deficiency (rare) of coagulation factor II Evaluating acquired deficiencies associated with liver disease or vitamin K deficiency, oral anticoagulant therapy, and antibody-induced deficiencies (eg, in association...
CLZ - Overview: Clozapine, Serum
Monitoring patient compliance of clozapine treatment An aid to achieving desired serum levels
CHLBF - Overview: Cholesterol, Body Fluid
Aiding in the diagnosis of a cholesterol effusion or cholesterol-rich pseudochylous effusion in body fluids Distinguishing between chylous and pseudochylous pleural effusions Distinguishing between malignant and nonmalignant ascites
HEVG - Overview: Hepatitis E Virus IgG Antibody, Serum
Diagnosis of past exposure to hepatitis E virus
ETGSR - Overview: Ethyl Glucuronide Screen with Reflex, Random, Urine
Screening for drug abuse involving alcohol
FIL - Overview: Filaria, Blood
Detecting microfilariae in peripheral blood
MTBS - Overview: Microsporidia Stain, Varies
Diagnosis of extra-intestinal microsporidiosis involving the lung, skin, and other organs, particularly in immunocompromised hosts Diagnosis of ocular microsporidiosis
STLP - Overview: St. Louis Encephalitis Antibody, IgG and IgM, Serum
Aiding in the diagnosis of St. Louis encephalitis using serum specimens
GUS - Overview: Guselkumab, Serum
Assessing the response to guselkumab therapy Assessing the need for dose escalation Evaluating the potential for dose de-escalation or discontinuation of therapy Monitoring patients who need to be above a certain guselkumab...
CCMVU - Overview: Congenital Cytomegalovirus (cCMV), Molecular Detection, PCR, Urine
Aiding in the rapid diagnosis of cytomegalovirus infections in neonates 21 days of age or younger using urine specimens
ALCU - Overview: Aluminum/Creatinine Ratio, Urine
Measurement of aluminum concentration as a part of assessing for aluminum exposure
Detecting cobalt toxicity Monitoring metallic prosthetic implant wear This test is not useful for assessment of vitamin B12 activity.
PSYR - Overview: Psychosine, Whole Blood
Aiding in the biochemical diagnosis of Krabbe disease using whole blood specimens Follow-up of individuals affected with Krabbe disease Follow-up testing after an abnormal newborn screening result for Krabbe disease Monitoring of...
BMAMA - Overview: Basic Metabolic Panel, Serum
Routine health monitoring or patient monitoring while hospitalized for information regarding metabolism, including the current kidney status, electrolyte, and acid/base balance, and blood glucose
HITIG - Overview: Heparin-PF4 IgG Antibody, Serum
Detection of IgG antibodies directed against heparin/platelet factor 4 complexes that are implicated in the pathogenesis of immune-mediated type II heparin-induced thrombocytopenia, spontaneous heparin platelet-factor 4 IgG antibody, and...
PSY - Overview: Psychosine, Blood Spot
Aids in the biochemical detection of Krabbe disease and saposin A cofactor deficiency Second-tier testing or follow up testing after an abnormal newborn screening result in an infant for Krabbe disease This test is not capable of...
SERU - Overview: Serotonin, 24 Hour, Urine
Diagnosis of a small subgroup of carcinoid tumors that produce predominately 5-hydroxytryptophan (5-HTP) but very little serotonin and chromogranin A Follow-up for patients with known or treated carcinoid tumors that produce predominately...
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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...