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

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.

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