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Potassium, Serum or Plasma

Specimen:

Collect

  • One SST

Also Acceptable:
  • One Green Top (Li Heparin)
  • One Red Top

Submit

  • 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable:
  • 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling

  • Allow specimen to clot completely at room temperature
  • Separate from cells ASAP

Rejection Criteria

  • Hemolyzed specimens

Stability

Ambient: 8 Hour(s); Refrigerated: 1 Week(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology

  • Ion Selective Electrode (ISE)

Performed

Mon-Fri

Reported

1-3 Day(s)

CPT Codes

  • 84132

Interpretive Data

General Reference Range : 3.6-5.1 meq/L
Male Reference Ranges
  • 0 - 2 month(s) : 3.0-7.0 meq/L
  • 2 month(s) - 150 year(s) : 3.6-5.1 meq/L

Female Reference Ranges
  • 0 - 2 month(s) : 3.0-7.0 meq/L
  • 2 month(s) - 150 year(s) : 3.6-5.1 meq/L

Components

  • 1027 - POTASSIUM
Last Updated: December 10, 2024 @ 10:13 am

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT