Inpatient and Outpatient Orderable

24 Hour Urine, Leukotriene E4

Synonyms

  • LAB11081
  • LEUKOTRIENE E4, 24 HR UR
  • LEUKOTRIENE E4, 24HR URINE
  • LTE424

Cerner Name

Leukotriene E4, 24 Hr Ur

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 Sources

Bladder Kidney, Left Kidney, Right Ureter, Left Ureter, Right Urine, Catheter Urine, Clean Catch Urine, Foley Urine, Voided

Specimen Types

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

Specimen Volume

5 mL aliquot from 24 urine container- No Preservatives

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

Only Orderable at Locations:

Orderable Everywhere

Results
Component Name Base Name Common Name External Name
LEUKOTRIENE E4, 24 HR UR LEUKTRIUR24 LEUKOTRIENE E4, 24 HR UR Leukotriene E4, 24 Hr Ur
CREATININE, 24 HOUR URINE CREAT24HRUR CREATININE 24H UR Creatinine, 24H Ur
COLLECTION DURATION COLLDUR COLLECTION DURATION Collection Duration
URINE VOLUME URINEVOLUME URINE VOLUME Urine Volume
CREATININE CONC CREATCONC CREATININE CONC Creatinine Concentration, 24 HR, U

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
LAB11081 build edit