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Test Compendium


Test Code

  • 1998

Test Synonym

  • Potassium, Plasma

Minimum Volume

  • 0.5 mL

Specimen Requirements

  • Plasma


  • Green Top Tube, Transfer Tube- Plasma


  • Ambient Or Refrigerated

CPT Codes

  • 84132
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • 1 mL Heparinized Plasma from a Green Top, indicate plasma on the transfer tube

Additional Information

  • Separate plasma from cells with 45 minutes of collection; avoid hemolysis.

Specimen Stability

  • AMBIENT: 14 days REFRIGERATED: 14 days FROZEN: 14 days