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HelpTest Code K Potassium, Plasma or Serum
Additional Codes
| Ordering Mnemonic |
|---|
| K |
Methodology
Potentiometric
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:
1. Indicate plasma.
2. Label specimen appropriately (plasma).
3. Centrifuge within 2 hours of collection.
Serum
Container/Tube: Serum gel tube
Specimen Volume: 1 mL of serum
Collection Instructions:
1. Indicate serum.
2. Label specimen appropriately (serum).
3. Centrifuge within 2 hours of collection.
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