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Test Code K Potassium, Serum

Clinical Indications

N/A

Additional Test Codes

Epic Order Name: Potassium
Sunquest Order Code: K
Epic Px Code: LAB2436

Specimen Collection Type

Preferred: Mint
Acceptable: Gold

Minimum Collection Volume

1 mL

Reference Range

3.5 – 5.1 mmol/L

Critical Value

<2.8 or >6.2 mmol/L

Interpretation

N/A

Rejection Criteria

Gross Hemolysis

Specimen Availability for Add-on Testing

2 Days

Specimen Stability

7 Days Refrigerated

Day(s) Performed

Monday through Sunday

Performing Lab- Department

TUKHS-BH-Chemistry

CPT Code

84132

LOINC Code

2823-3

Test Alias

N/A

Additional Information / Notes

Specimens collected in a serum gel tube or lithium heparin gel tube must be centrifuged within 3 hours of collection. Serum gel should clot for 30 minutes prior to being centrifuged.