Potassium, Blood

Additional Information:

UFHPL Epic order code: LAB114

CPT Code(s):

84132

Collection Procedure:

Serum gel tubes should be centrifuged within 2 hours of collection.

Specimen Requirements:

Type: Peripheral blood

Container/Tube:
  • Serum, gel
  • Plasma, gel

Sample Volume: 0.5 mL serum

Stability (collection to time of analysis/testing):

  • Refrigerated: 1 week

Unacceptable Conditions: Moderate-to-gross hemolysis

Specimen Retention Time: 5 days

Methodology:

The ISE module for Na+, K+, and Cl- employs crown ether membrane electrodes for sodium and potassium and a molecular oriented PVC membrane for chloride that are specific for each ion of interest in the sample.

Reported:

Within 24 hours

Reference Values:

3.3-5.3 MMOL/L

Performed:

Monday - Friday