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Test Code LAB374 Chloride, Urine, Random

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Indirect Ion-Selective Electrode (ISE)

Literature Reference:

Package insert: ISE/Na, K, Cl, Roche Corporation, 6/2014.

Specimen Requirements

Specimen Type: Urine, random

Container/Tube: Urine Complete Cup Kit

Specimen Volume: 10 mL

Collection Instructions: No additive.

Additional Information: See Urine Collection information under General Information.

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: 2 to 4 hours after receipt in laboratory

Test Classification and CPT Coding

82436

Reference Values

No established reference intervals

Literature Reference:

Rifai N, Horvath AR, Wittwer AT eds: Textbook of Clinical Chemistry and Molecular Diagnostics 6th ed: Chapter 60, p. 1324, Elsevier, St. Louis, MO 2018.

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only
Analyte Stability:

Specimen must be kept refrigerated before delivery to limit bacterial growth.

Laboratory Processing Instructions:

Test performed in BJH Core Lab. Mix urine well. Using 13x100 test tubes, prepare a 7-mL aliquot and deliver to the automated line for centrifugation and delivery to Cobas 8000 for analysis. Completed specimen is stored refrigerated for 5 days.

Special Instructions

See Urine Collection information under General Information.

See Analyte Stability Chart under General Information for a complete list.

LOINC Code Information

Name LOINC Code
Chloride in urine 2078-4