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Test Code K POTASSIUM

Additional Codes

LAB114

Performing Laboratory

Porter Hospital Laboratory

Specimen Requirements

Specimen Type: Blood
Container/Tube: Tiger top, serum gel
Also Acceptable: Green top (Lithium Heparin)
Specimen Volume: Full tube, submit 0.5 mL serum
Specimen Minimum Volume: 0.3 mL
Collection Instructions:

  1. Send specimen in original tube.
  2. If there is a delay in transport of >1 hour, centrifuge tube.
  3. Centrifuged samples that have not leaked aroung gel barrier are stable for 7 days         refrigerated (2 – 8ºC)

Specimen Transport Temperature

Refrigerated

Test Classification and CPT Coding

84132

Test Schedule / Analytical Time / Test Priority / Turn Around Time

Daily / Available STAT / Routine - 4 Hours

                                        STAT - 60 Minutes

Critical Values

Critical Values Chart

Normal Reference Values

0 - 6 months             3.9 - 6.0 mmol/L

6 months - 1 yr         3.9 - 6.0 mmol/L

1 yr - 18 yrs              4.0 - 5.5 mmol/L

18 yrs +                    3.5 - 5.1 mmol/L