Specimen Collection

Please Note: If extended electrolytes are requested only Na, K and Cl will be registered. If other tests are required please specify.

Sample stability:

• 7 days at 15-25 ^o C
• 7 days at 2-8 ^o C
• Stable at -20 ^o C

4.5 mL PST Blood (Preferred)

0.5 mL Paediatric Micro-PST Blood (Preferred)

5 mL Heparin Blood

4 mL Plain Blood

3.5 mL SST Blood

0.5 mL Paediatric Microsample Blood

0.5 mL Paediatric Micro-heparin Blood
Reference Intervals

Units : mmol/L

Reference interval:

Neonate	90 - 114
Adult	95 - 110

Uncertainty of Measurement: 4%

** For Whole Blood Uncertainty of measurement refer to the Blood Gases page

Turnaround Time: Within 3 hours
Assay Method

Principle : Ion selective electrode

Reagents : Roche Chloride electrode

Analyser : Cobas Indirect ISE

Diagnostic Use and Interpretation

To assist with determining the possible cause of acid-base disturbances, for calculating the anion gap, and to detect chloride depletion.

Last updated at 12:09:19 26/03/2024