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Test Code LAB59 Chloride, Plasma

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Indirect Ion-Selective Electrode (ISE)

Literature Reference:

Package insert: ISE/Na, K, Cl. Roche Corporation, 08/2017.

Specimen Requirements

Note: This test is also available as part of #LAB15 Basic Metabolic Panel (BMP); #LAB17 Comprehensive Metabolic Panel (CMP); #LAB16 Electrolyte Panel, Plasma; and #LAB19 Renal Function Panel. 

 

Specimen Type: Plasma

Container/Tube: Mint-green top (lithium heparin)

Specimen Volume: Full tube

 

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

82435

Reference Values

0 - 18 yrs: 100-114 mmol/L

> 18 yrs: 97-110 mmol/L

Critical result (automatic call-back): ≤ 75 mmol/L or ≥ 130 mmol/L

Literature Reference:

1. Cheng S, Schindler E, Scott MG. Disorders of Water Electrolyte, and Acid-Base Metabolism. In Tietz textbook of Clinical Chemistry 6th ed: Chapter 60, P. 1324, Elsevier, St. Louis, MO 2018.

2. Schindler E, Brown S and Scott MG. Electrolytes and Blood Gases. In Tietz Textbook of Clinical Chemistry 6th ed: Chapter 35, P. 604, Elsevier, St. Louis, MO 2018.

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only
Alternate Tube:

1 dark green-top (lithium heparin) tube
1 red-top tube

 

Laboratory Processing Instructions:
Test performed in BJH Core Lab.  Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days. 

Test performed in South County Siteman and Ambulatory Cancer Building Lab.  Centrifuge sample and deliver to the Cobas.  Completed specimens are stored refrigerated for 5 days. 

Special Instructions

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

LOINC Code Information

Name LOINC Code
Chloride 2075-0