ALLOI - Overview: Allo-isoleucine, Blood Spot

Test Catalog

Test Name

Test ID: ALLOI    
Allo-isoleucine, Blood Spot

Useful For Suggests clinical disorders or settings where the test may be helpful

Evaluation of newborn screening specimens that test positive for branched-chain amino acids elevations


Follow-up of patients with maple-syrup urine disease

Genetics Test Information Provides information that may help with selection of the correct genetic test or proper submission of the test request

Second-tier test for abnormal newborn screen and follow-up of patients with maple syrup urine disease.

Special Instructions and Forms Library of PDFs including pertinent information and consent forms, specimen collection and preparation information, test algorithms, and other information pertinent to test

Method Name A short description of the method used to perform the test

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Stable Isotope Dilution Analysis

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name A shorter or abbreviated version of the Published Name for a test; an abbreviated test name

Allo-isoleucine, BS

Aliases Lists additional common names for a test, as an aid in searching

Blood Spots
Branched-Chain Amino Acids (BCAA) Elevations
Newborn Screen
Newborn Screening
Maple Syrup Urine Disease (MSUD)
Maple Syrup Disease