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Test Code K Potassium, Plasma or Serum

Additional Codes

Ordering Mnemonic
K

Methodology

Indirect Ion-Selective Electrode (ISE)

Performing Laboratory

Holland Hospital Laboratory Services

Specimen Requirements

Submit only 1 of the following specimens:

 

Plasma

Container/Tube: Mint-top (lithium heparin) tube

Specimen Volume: 1 mL of plasma

Collection Instructions:

Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).

 

Serum

Container/Tube: Serum gel tube

Specimen Volume: 1 mL of serum

Collection Instructions:

Note: 1. Indicate serum.
2. Label specimen appropriately (serum).

Specimen Transport Temperature

Refrigerate

Day(s) Test Set Up

Monday through Sunday

Available STAT

Test Classification and CPT Coding

84132 (HH Bill Code 0205220)

Reference Values

3.6-5.1 mmol/L
Critical values (automatic call-back): ≤2.5 mmol/L or ≥6.0 mmol/L