Potassium

General Information

Method

Ion Selective Electrode (ISE)

Reference Range

Units: mEq/L

Female		Male
Age	Range	Age	Range
0-	3.6-5.2	0-	3.6-5.2

Effective date: 03/01/2015

Specimen Type

Blood

Collection

HMC and UWMC Onsite Locations

Preferred: 4 mL blood in LIME GREEN PST tube
Also Acceptable: 4 mL blood in ORANGE RST, GOLD SST, RED TOP or GREEN TOP tube
Pediatric: 1 Full LIME GREEN MICROTAINER
Unacceptable: GRAY TOP or GREEN TOP (Sodium Heparin)

Offsite Clinic or Other Locations

Preferred: 4 mL blood in GOLD SST tube
Also Acceptable: 4 mL blood in ORANGE RST or LIME GREEN PST, RED TOP or GREEN TOP tube
Pediatric: 1 Full LIME GREEN MICROTAINER
Unacceptable: GRAY TOP or GREEN TOP (Sodium Heparin)

Handling Instructions

Quantity

requested: 1 mL serum/plasma
minimum: 0.1 mL serum/plasma

LIS Dept Code

Chemistry, Automated Panels (CHA)

Performing Location(s)

HMC	Chemistry, Automated 206-520-4600 325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
UW-NW	Main Lab 206-668-1344 UW Medical Center – Northwest 1550 N 115th Street, A200 Seattle, WA 98133
UW-MT	Chemistry, Automated 206-520-4600 Clinical Lab, Room NW220, University of Washington Medical Center, 1959 NE Pacific street, Seattle, WA 98195
FHCC	Fred Hutch Community Lab, Evergreen Campus 425-441-2640 10240 NE 128th St Kirkland, WA 98034
FHCC	Fred Hutch Alliance Lab 206-606-1088 825 Eastlake Ave, Seattle, WA 98109

Frequency

Daily

Available STAT?

Yes