Potassium

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Potassium

Tube type

Full SST tube

Test Includes

Potassium

Order code

Available stat?

Yes

Alias

K

Preferred sample

Serum

Minimum volume

2.0mL

Special handling/Processing

Centrifuge within >30 minutes and <120 minutes of collection

Sample stability

7 days @4C

Transportation

Regular courier service, room temp

Test frequency

Daily

Causes for rejection

Improper tube; QNS; exceeded stability; sample not centrifuged; gross hemolysis

Reference range

3.5-5.1 mmol/L

Possible critical values

Potassium

CPT Code

84132

Methodology

Potentiometric

LOINC Code

2823-3

Additional Information

Included in BMP, CMP, and RENAL profiles

inside information

Another acceptable sample type: Heparinized (green top) tube with gel

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