Potassium

Test Code: TD_CH154
CPT Code(s): 84132

$8

Test Details

Alternative Name(s)

K

Test Includes

Potassium

Methodology

Abbott Alinity automated methodology

Rejection Criteria

Gross hemolysis

Reference Range(s)

3.5-5.1 mmol/L

Specimen Requirements

Preferred Specimen

Serum separator tube

Minimum Volume

0.25 mL serum

Sample Stability

1 week room temperature
1 week refrigerated
1 year frozen

Transport Temperature

Refrigerated

Collection Instructions

Allow SST to clot in an upright position for at least 30 minutes, then centrifuge sample within 2 hours of collection. Refrigerate.

Alternative Specimen

2 mL serum from a plain red top tube. Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Refrigerate.