Leukotriene E4, 24 Hr Ur LTE424

Synonyms
Allscripts (AEHR) Order Name	Leukotriene E4, 24 Hr Ur
Sunrise Clinical Manager (SCM) Order Name	Leukotriene E4, 24Hr Urine
EPIC Order Name	24 Hour Urine, Leukotriene E4
Clinical Info	Aiding in the evaluation of patients at-risk for mast cell activation syndrome (eg, systemic mastocytosis, IgE-mediated allergies, or aspirin-exacerbated respiratory disease) using 24-hour urine collections
Specimen Type	Urine
Specimen Volume	5 mL aliquot from 24 urine container- No Preservatives
Container	24hr Ur No Preserv
Collection Instructions	Container/Tube: 24 Hr urine container - Specimen: 5 mL aliquot from 24 urine container- No Preservatives Transport Temperature: Refrigerated
Transport Instructions	Refrigerated
Specimen Stability	1 Day Room Temperature 7 Days Refrigerated 28 Days Frozen
Methodology	LTE4T: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) CRT24: Enzymatic Colorimetric Assay
Days Performed	TAT; 3 - 7 Days
Performing Laboratory	Mayo Medical Laboratories
CPT	82542
PDM	225701
Result Interpretation Reference Range: Leukotriene E4: < or =104 pg/mg creatinine Creatinine: Normal values mg per 24 hours: Males: 930-2955 mg/24 hours Females: 603-1783 mg/24 hours Reference values have not been established for patients who are less than 18 years of age.
Forms

Synonyms