POTASSIUM RBC

Specimen Required
Draw blood in a lavender EDTA tube. Send 2.0 mL whole blood (1.0 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Whole blood: Heparin

Methodology
Inductively Coupled Plasma/Mass Spectrometry

Stability
Room Temperature: Unacceptable; Refrigerated: 72 hours; Frozen: Unacceptable

Reference Range
55-85 mmol/L

Performed
Wednesday, Friday

Turnaround Time4-6 days
Test CodeKRBC
CPT-4 Code (s)
84132
LOINC Codes
2824-1

Warde
Medical
Laboratory