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Epic Code LAB1231761 Potassium, Serum

Test Name Alias

K

Interface Order Alias

1231761

Specimen Requirements

Specimen Collection: Blood

Container(s): 5.0 mL Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 5.0 mL

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 1.0 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • Avoid hemolysis.
  • Avoid gross lipemia
  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site Collection):

Processed Specimen: Serum

Centrifuge/Spin: Yes

Aliquot: Yes

Processing Instructions:

  • Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours
  • Minimum processed specimen volume: 0.5 mL serum

Transport Temperature: Refrigerated

Specimen Transport Temperature

Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

0 up to 3 Days: 4.5 – 6.5 mmol/L
3 Days up to 3 Months: 3.8 – 5.5 mmol/L
3 Months and up: 3.4 – 5.0 mmol/L

 

Laboratory Critical Values Table

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory West, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI
Corewell Health Lakeland Niles Laboratory, Niles, MI
Corewell Health Lakeland Watervliet Laboratory, Watervliet, MI
Corewell Health Lakeland Marie Yeager Cancer Center, St. Joseph, MI

Methodology

Ion-Selective Electrode

CPT

84132

CDM Code

3018413201

Epic Test ID

1230101060

LOINC

Potassium Lvl: 2823-3

Reviewed Date

Currently Under Review

Updated Date

7/23/2024