Potassium CPT: 84132
Expected Turnaround Time
Within 1 day
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Serum (preferred) or plasma.
Red-top tube, gel-barrier tube, or green-top (heparin) tube.
Separate serum or plasma from cells within 45 minutes of collection; avoid hemolysis.
Maintain specimen at room temperature or refrigerate.
To determine whether your potassium level is within normal limits; to help evaluate electrolyte balance; to help determine the cause of and monitor treatment for illnesses associated with abnormal potassium levels in the body.
When you have symptoms such as muscle weakness and/or irregular heart beat (cardiac arrhythmia) or when an electrolyte imbalance is suspected; at regular intervals when you are taking a medication and/or have a disease or condition, such as high blood pressure (hypertension) or kidney disease, that can affect your potassium level; as part of a routine medical exam.
A blood sample drawn from a vein in your arm; sometimes a random or 24-hour urine sample.