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Test Catalog
ENC2 - Overview: Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid
Evaluating new onset encephalopathy (noninfectious or metabolic) comprising confusional states, psychosis, delirium, memory loss, hallucinations, movement disorders, sensory or motor complaints, seizures, dyssomnias, ataxias, nausea,...
ENS2 - Overview: Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Serum
Evaluating, using serum specimens, new onset encephalopathy (noninfectious or metabolic) comprising confusional states, psychosis, delirium, memory loss, hallucinations, movement disorders, sensory or motor complaints, seizures, dyssomnias,...
CTXBS - Overview: Cerebrotendinous Xanthomatosis, Blood Spot
Evaluating patients with a clinical suspicion of cerebrotendinous xanthomatosis (CTX) using dried blood spot specimens Monitoring individuals with CTX on chenodeoxycholic acid (CDCA) therapy This test is not useful for the...
CASF - Overview: IgG/Albumin Ratio, Spinal Fluid
Assessment of cerebrospinal fluid (CSF) IgG/albumin ratio in the absence of a paired CSF and serum specimen
C3 - Overview: Complement C3, Serum
Assessing disease activity in systemic lupus erythematosus Investigating an undetectable total complement level
C4 - Overview: Complement C4, Serum
Investigating an undetectable total complement Confirming hereditary angioedema (with low C1 inhibitor) Assessing disease activity in systemic lupus erythematosus, proliferative glomerulonephritis, rheumatoid arthritis, and autoimmune...
PATHC - Overview: Pathology Consultation
A subspecialty second opinion for a specific pathology question referred by a primary pathologist Note: A consultative opinion is not a full rendering of a primary diagnostic report (eg, multiple parts, margin status, CAP...
C1ES - Overview: C1 Esterase Inhibitor Antigen, Serum
Diagnosis of hereditary angioedema Monitoring levels of C1 esterase inhibitor in response to therapy
C5AG - Overview: C5 Complement, Antigen, Serum
Diagnosis of C5 deficiency Investigation of a patient with an absent total complement (CH50) level
KI67B - Overview: Ki-67(MIB-1), Breast, Quantitative Immunohistochemistry, Automated
Determining proliferation of tumor cells in paraffin-embedded tissue blocks from patients diagnosed with breast carcinoma
Screening for infection with high-risk human papillomavirus (HPV) associated with the development of cervical cancer Individual genotyping of HPV-16 and/or HPV-18 if present This testing is intended for use in clinical monitoring and...
Aiding in the identification of individuals with an adaptive immune response to SARS-CoV-2, indicating prior infection or vaccination
LSDS - Overview: Lysosomal Disorders Screen, Random, Urine
Screening patients suspected of having a lysosomal disorder
METF - Overview: MET (7q31), FISH, Tissue
Providing prognostic information and guiding treatment primarily for patients with lung, gastric, and colorectal tumors as well as other tumor types
GCTF - Overview: Germ Cell Tumor (GCT), Isochromosome 12p, FISH, Tissue
Supporting the diagnosis of germ cell tumors when used conjunction with an anatomic pathology consultation
ROS1F - Overview: Lung Cancer, ROS1 (6q22) Rearrangement, FISH, Tissue
Fluorescence in situ hybridization (FISH) testing for ROS1 allows for the detection of most ROS1 rearrangements, therefore, is useful for identifying tumors that may be sensitive to directed therapy ROS1 FISH testing may also support the...
AHUSD - Overview: Atypical Hemolytic Uremic Syndrome Complement Panel, Serum and Plasma
Detecting deficiencies in the alternative pathway that can cause atypical-hemolytic uremic syndrome, dense deposit disease, and C3 glomerulonephritis A second-tier test that aids in the differential diagnosis of thrombotic...
RETF - Overview: Lung Cancer, RET (10q11) Rearrangement, FISH, Tissue
Identifying RET gene rearrangements in patients with late-stage, lung adenocarcinomas that are negative for epidermal growth factor receptor mutations and anaplastic lymphoma kinase rearrangements Fluorescence in situ hybridization (FISH)...
Identifying MDM2 amplification Supporting the diagnosis of many neoplasms, including, but not limited to, well-differentiated liposarcoma, atypical lipomatous tumor, dedifferentiated liposarcoma, parosteal osteosarcoma and central...
CAI - Overview: Calcium, Ionized, Serum
Assessing calcium states during liver transplantation surgery, cardiopulmonary bypass, or any procedure requiring rapid transfusion of whole blood in neonates and critically ill patients Second-order test in the evaluation of patients with...
FOXP3 - Overview: FOXP3 Immunostain, Technical Component Only
Classification of leukemias and lymphomas
CYTNG - Overview: Cytology Non-Gynecologic, Varies
Detecting malignant and premalignant changes
CDIFS - Overview: Clostridioides difficile Culture with Antimicrobial Susceptibilities, Varies
Providing an isolate suitable for antimicrobial susceptibility testing to direct antimicrobial therapy of extraluminal infections and in cases of treatment failure
CTRNA - Overview: Chlamydia trachomatis, Nucleic Acid Amplification, Varies
Detecting Chlamydia trachomatis This test is not intended for use in medico-legal applications. This test is not useful for the detection of other Chlamydia species.
AMS - Overview: Amylase, Total, Serum
Diagnosis and management of pancreatitis Evaluation of pancreatic function
PMPDD - Overview: PMP22 Gene, Large Deletion/Duplication Analysis, Varies
Diagnosis of Charcot-Marie-Tooth type 1A or hereditary neuropathy with liability to pressure palsies
Aiding in the distinction between the myeloproliferative neoplasm polycythemia vera and other secondary erythrocytosis
Aiding in the diagnosis of multiple sclerosis and other central nervous system inflammatory conditions as a part of a profile
JAKXM - Overview: JAK2 Exon 12 and Other Non-V617F Mutation Detection, Bone Marrow
Second-order testing to aid in the distinction between a reactive cytosis and a myeloproliferative neoplasm, particularly when a diagnosis of polycythemia is being entertained; for use with bone marrow specimens
BHSF - Overview: Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid
Aiding in the diagnosis of brain metastases of testicular cancer or extragonadal intracerebral germ cell tumors
Detecting Chlamydia trachomatis and/or Neisseria gonorrhoeae This test is not intended for use in medico-legal applications. This test is not useful for the detection of other Chlamydia species.
PCHE1 - Overview: Pseudocholinesterase, Total, Serum
Monitoring exposure to organophosphorus insecticides and herbicides Monitoring patients with liver disease, particularly those undergoing liver transplantation Identifying patients who are homozygous or heterozygous for an atypical gene...
TLB - Overview: Thallium, Blood
Detecting toxic exposure in whole blood specimens
TLUCR - Overview: Thallium/Creatinine Ratio, Random, Urine
Detecting toxic thallium exposure in random urine specimens
SFIG - Overview: Cerebrospinal Fluid IgG Index Profile, Serum and Spinal Fluid
Aiding in the diagnosis of multiple sclerosis and other central nervous system inflammatory conditions
PREGN - Overview: Pregnenolone, Serum
An ancillary test for congenital adrenal hyperplasia, particularly in situations in which a diagnosis of both 21- and 11-hydroxylase deficiency have been ruled out Confirming a diagnosis of 3-beta-hydroxy dehydrogenase deficiency
CDCU - Overview: Cadmium/Creatinine Ratio, Urine
Detecting exposure to cadmium using random urine specimens
LASF1 - Overview: Lactic Acid, Spinal Fluid
Aid in differentiating between bacterial and viral meningitis Aid in identifying increased anaerobic glycolysis or hypoxia associated with bacterial meningitis, cerebral infarction, cerebral arteriosclerosis, intracranial hemorrhage,...
JAKXB - Overview: JAK2 Exon 12 and Other Non-V617F Mutation Detection, Blood
Second-order testing to aid in the distinction between a reactive cytosis and a myeloproliferative neoplasm, particularly when a diagnosis of polycythemia is being considered, using blood specimens
ANAES - Overview: Bacterial Culture, Anaerobic with Antimicrobial Susceptibilities, Varies
Diagnosing anaerobic bacterial infections Directing antimicrobial therapy for anaerobic infections
Determining the in vitro susceptibility on isolates of anaerobic bacteria involved in human infections Directing antimicrobial therapy for anaerobic bacterial infections
A_CR - Overview: Albumin/Creatinine Ratio
Calculating the albumin concentration per creatinine Assessing the potential for early onset of nephropathy in diabetic patients using random urine specimens
ATPCO - Overview: Anal ThinPrep Cytology with Human Papillomavirus (HPV) Co-Test, Varies
Detection of malignant and premalignant changes Detection of high-risk (HR) genotypes associated with the development of anal cancer Individual genotyping of human papillomavirus (HPV)-16 and HPV-18, if present May aid in triaging men...
TLU - Overview: Thallium, 24 Hour, Urine
Detecting toxic thallium exposure in 24-hour urine collections
Aiding in identifying individuals with an adaptive immune response to SARS-CoV-2, indicating recent or prior infection
CDU - Overview: Cadmium, 24 Hour, Urine
Detecting exposure to cadmium, a toxic heavy metal, in 24-hour urine specimens
CDUOE - Overview: Cadmium Occupational Exposure, Random, Urine
Detecting occupational exposure to cadmium, a toxic heavy metal, using random urine specimens
Diagnosis of COVID-19 illness due to SARS-CoV-2
ZMMLS - Overview: Antimicrobial Susceptibility, Aerobic Bacteria, Varies
Determining the in vitro susceptibility of aerobic bacteria involved in human infections
RALB1 - Overview: Albumin, Random, Urine
Assessing the potential for early onset of nephropathy in diabetic patients using random urine specimens
Site Search
FDA Issues Final Rule to Regulate LDTs: Bill Morice, M.D., Ph.D. - Insights
by William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories. They discuss the final rule issued by the U.S. Food and Drug Administration (FDA) on April 29, 2024, to make explicit its...
Feb. 1986: Mayo Clinic's Year-Old Liver Transplant Program - Insights
In 1986, Mayo Clinic's year-old liver transplant program was growing to be one of the largest in the world. Take a step back to 1986 by reading this article from the February issue of Mayovox....
A New Year with Familiar Viruses: Bill Morice, M.D., Ph.D. - Insights
William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories, to welcome the new year and discuss the increase of respiratory viruses....
Final Rule on LDTs May Be Coming Soon: Bill Morice, M.D., Ph.D. - Insights
Mayo Clinic Laboratories. They discuss the Food and Drug Administration’s (FDA) progress on making a final rule around regulating laboratory-developed tests (LDTs)....
Robin Patel, M.D., Elected to 2-Year Term on ASM Board of Directors - Insights
Microbiology and Infectious Diseases Laboratories at Mayo Clinic, has been elected to serve a two-year term on the American Society for Microbiology Board of Directors....