PPFE - Overview: Protoporphyrins, Fractionation, Whole Blood
Evaluating patients with possible diagnoses of erythropoietic protoporphyria or X-linked dominant protoporphyria Establishing a biochemical diagnosis of erythropoietic protoporphyria and X-linked dominant protoporphyria
PARVS - Overview: Parvovirus B19 Antibodies, IgG and IgM, Serum
Serologic detection of recent or past parvovirus B19 infection
PKU - Overview: Phenylalanine and Tyrosine, Plasma
Monitoring effectiveness of dietary therapy in patients with hyperphenylalaninemia
FRT4D - Overview: T4 (Thyroxine), Free, Dialysis, Serum
Determining thyroid status of sick, hospitalized patients Determining thyroid status of patients in whom abnormal binding proteins have been identified Possibly useful in pediatric patients
TGABI - Overview: Thyroglobulin Antibody, Serum
Initial testing as a part of evaluating suspected interference from heterophile antibodies causing a falsely elevated thyroglobulin result
MTRNA - Overview: Trichomonas vaginalis, Nucleic Acid Amplification, Varies
Detecting Trichomonas vaginalis in prostatic massage (VBIII) fluid or male urethral swabs
VMAR - Overview: Vanillylmandelic Acid, Random, Urine
Screening children for catecholamine-secreting tumors using a random urine collection when requesting vanillylmandelic acid only Supporting a diagnosis of neuroblastoma Monitoring patients with a treated neuroblastoma
B6PRO - Overview: Vitamin B6 Profile (Pyridoxal 5-Phosphate and Pyridoxic Acid), Plasma
Determining vitamin B6 status, including in persons who present with progressive nerve compression disorders, such as carpal tunnel and tarsal tunnel syndromes Determining the overall success of a vitamin B6 supplementation program...
SMAS - Overview: Smooth Muscle Antibody Screen, Serum
Evaluation of patients with hepatitis of unknown origin associated with hypergammaglobulinemia and/or abnormal liver enzymes
SIL2R - Overview: Interleukin-2 Receptor Alpha Soluble, Plasma
Measuring the concentration of soluble interleukin-2 receptor alpha (sIL-2r alpha) in plasma Aids in the diagnosis and evaluation of patients for lymphoproliferative disorders, including autoimmune lymphoproliferative syndrome,...
Information: Interpreting Laboratory Tests to Determine New vs. Residual Use of Marijuana - Insights
In this month's "Hot Topic," Paul Jannetto, Ph.D., identifies how to determine new vs. residual use of marijuana in a patient, and teaches how to calculate the carboxy-tetrahydrocannabinol (carboxy-THC)...
Laboratory and Pathology Research Roundup: March 12 - Insights
known. We performed laser microdissection (LCM) of glomeruli followed by mass spectrometry (MS) in 12 cases each of DDD, C3GN, and pretransplant kidney control biopsies....
COVID-19: At-home sample collection vs. at-home testing - Insights
The concept of at-home testing for COVID-19 sounds straightforward. But there's nuance to it that's important to understand. Right now, an at-home test for COVID-19 is not available, although there may be one coming soon. But in some areas,...
Clinic Laboratory and Pathology Research Roundup: Nov. 12 - Insights
This week’s Research Roundup highlights a mechanism for preventing asymmetric histone segregation onto replicating DNA strands.
Transfusion Toons: A1 vs. A2 - Insights
Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched “Transfusion...