Test Name

Potassium

Test Code

227

Unit

mmol/L

Station

Chemistry

Synonym Name/Abbreviation

K, Kalium

CPT Code

84132

Performing Facility

American Medical Labs, Herzliya
Pituah

Analyzer

Roche cobas 6000

Test Method

Ion Selective Electrode

AML Preferred Tube

5 mL SST gel

Storage Instructions

Refrigerated.

Separate serum from cells within
45minutes.

Stability:

Up to 14 days at room temperature or at 2 to 8 ^oC.

Many months at -20^oC.

Min. Volume

1 mL

Turn-Around-Time

One day

Intended Use

Electrolyte balance.

Limitations

Hemolyzed samples, samples that were not centrifuged within
45 minutes, or serum not separated from red cells immediately after centrifugation cause falsely elevated results; Measuring range: 1.5 to 10 mmol/L.

Patient Preparation

No patient preparation needed

Reasons for Rejection

Hemolyzed samples, Improper labeling.

Adult Reference Ranges

Male and Female: 3.3 to 5.1 [mmol/L]