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Test Code UKR or LAB434 Potassium, Random, Urine

Specimen Requirements

Container Type:

Sterile urine cup

 

 

Optimal Collection Volume: 

5 mL

Minimum Volume:

1 mL

Collection Instructions:

1. Collect a random urine specimen from the patient.

2. Ensure the lid is secured tightly before sending it to the lab.

3. Ensure that no preservatives are used.

Specimen Transport:

Refrigerate

Processing Instructions: 

1. Pour off urine into a labeled aliquot tube.

2. Centrifuge the urine aliquot.

3. Deliver the urine aliquot to the chemistry department.

Specimen Stability

Specimen Type Temperature Time
Urine Refrigerated 14 days
Room Temperature 14 days

Specimen Rejection Criteria

Quantity not sufficient

Useful For

Determining the cause for hyper- or hypokalemia using a random urine specimen

Methodology

Roche Cobas - Potentiometric, indirect ion-selective electrode

Reference Ranges

Reference range not established.

Day(s) Performed

24/7

Expected TAT

Same day

Performing Laboratory

Bronson Laboratory, Chemistry - Kalamazoo and Battle Creek

Sample Retention Time

7 days

CPT Code

84133

LOINC Code

2828-2