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Test Code K.2 POTASSIUM

Important Note

Avoid hemolysis.

Additional Codes

N.K

N.POTASSIUM

 

Methodology

ALINITY Automated Chemistry Analyzer

Specimen Requirements

Serum or Plasma

Container: SST or Green top Lithium heparin

Specimen Collection: 1 mL (minimum 0.5 mL)

  1. Allow specimen to clot completely if a serum tube (SST) was used for the draw.

  2. Separate serum (SST) or plasma (Lithium Heparin) from cells within 24 hours and transport refrigerated. If red top tube is collected, separate serum from cells within 2 hours and place in separate plastic tube and cap immediately.

  3. Properly label tube with patient's name, DOB, requisition number and type of tube sample drawn from i.e. GREEN.

Specimen Transport/Stability

Refrigerated: 24 hours on gel, 7 days poured off

Specimen Rejection

1. Hemolyzed specimens

Maximum Laboratory Time

24 - 48 hours

Reference Ranges

Potassium         mMOL/L  
Newborn         3.5 - 5.9
1 mo         3.5 - 5.5
15 yrs +         3.5 - 5.1

   Critical  :  REFER TO LH-W CRITICAL VALUES POLICY

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

84132