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Test Code U K POTASSIUM – URINE

Patient Preparation

No special patient preparations required

Collection Method

Urine collection

Container

Urine

Preferred Specimen

Urine sterile container

Acceptable Specimen(s)

Urine sterile container

Reference or Target Ranges

Potassium: 25-125 mmol/L

Reportable Units

mmol/L

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold:

500 mg/dL

Icterus Threshold:

60 mg/dL (unconjugated)

Lipemia Threshold:

2000 mg/dL

Other:

QNS, contaminated, improperly labeled, improper specimen type 

Specimen Stability

Refrigerated         

7 Days

Frozen

30 Days

24-hour urine collection should be made without addition of preservatives.

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

Stat: 1 Hour, Routine: 4 Hours

Stat Availability

Yes

Performing Bench

CRMC Chemistry

Methodology/Method Description

Atellica

Methodology/Method Description

Atellica CH Analyzer

CPT Codes

84133