Potassium, Plasma

Department

Core Biochemistry

Delphic Registration Code

K

Constituent Tests

• Anion Gap, Plasma
• Electrolytes, Plasma

Synonyms

K+, Plasma

Turnaround Time

2 hours

Test Code

3512

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin - Non-gel (Green Cap)

Preferred if West Coast

• Lithium Heparin - Gel (Light Green Cap)

Acceptable

• Serum (Red Cap)
• SST II (Gold Cap)
• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

4.5

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin - Non-gel (Green Cap)

Preferred Sample Volume (ml)

0.6

Additional Specimen Information

Specimen Collection Protocols - Avoid sample haemolysis

Paediatric Specimen - Heparin microtainer tube 600 µL

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

0.1

Reference Intervals

All ages: 3.5 – 5.2 mmol/L

Test Method

Indirect Ion Specific Electrode (ISE) analysis performed on Beckman Coulter AU5822 analysers using Beckman Coulter reagents.

Non-Funded Test Cost

$2.76 (Exclusive of GST)

Billing Code

3512

Contact Information

Enquiry Form