2 - 5 days
HOMOCYSTEINE, TOTAL, URINE
Looking to order a test?
We’ve provided helpful links to make ordering easy.Find a Requisition
All specimens should be accompanied by a requisition.Submitting Specimens
Learn about how to properly label and where to ship specimens.Order Kits and Supplies
MLabs provides all the supplies necessary for the collection of specimens.Test FAQ
Visit our provider FAQ and learn about common questions to ordering tests.
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Stable Isotope Dilution Analysis
Diagnosing individuals with potential increased risk factors for coronary artery disease. A functional assay for folic acid deficiency. Diagnosing homocystinuria. Plasma is the preferred specimen for cardiovascular risk factor and folate functional test. Patients with reduced renal function should be evaluated by quantitating homocysteine in the urine.
0 - 9 mcmol/g creatinine
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect random urine specimen as follows: Discard first morning urine void following an overnight fast. Continue fasting and collect the next urine void. Place specimen on ice until it can be frozen. Store and transport frozen.