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Test ID: LTE4    
Leukotriene E4, Urine

Secondary ID A test code used for billing and in test definitions created prior to November 2011

62530

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

Conditional

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

An aid to evaluate patients suspected of having systemic mastocytosis

Additional Tests Lists test(s) that are always performed, at an additional charge, with the initial test(s)

Test IDReporting NameAvailable SeparatelyAlways Performed
AACTCreatinine, UNoYes

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

When leukotriene E4 testing is performed, urine creatinine will always be performed at no additional charge.

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

LTE4: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

AACT: Enzymatic Colorimetric Assay

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

Leukotriene E4, U

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

Cysteinyl Leukotriene
Mastocytosis
Systemic Mast Cell Activation
Mast Cell Activation Syndrome
N-Methylhistamine
11 Beta-Prostaglandin F2 Alpha