Potassium K

Method(s) Ion Selective Electrode
Specimen Required
Collect

One 5 mL gold (SST) top tube. Also acceptable: heparinized plasma.

Transport 1 mL serum at 2-8ºC.
Stability Refrigerated: 7 days
Schedule Daily-24 hours per day
Billing Code 1010051
CPTCode 84132
Notes

See also entry for Plasma Potassium for use when plasma K is specifically requested in conjunction with or in place of serum K.

Preferred Specimen Collection Device(s)
Reference Interval

3.6-5.2 mmol/L

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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