Potassium

Label Mnemonic:	URK
Epic code:	LAB669
Order form:	Laboratory Requisition
Supply order:	Supply Order Form
Billing:	Billing Policies
CPT code:	84133

Specimen(s):

Urine, Random

Collection Medium:

Clear top tube

Alternate Collection Media:

Call laboratory for additional acceptable specimen collection containers.

Minimum:

3.0 mL urine, random sample; no preservatives

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Turn Around Time:

1 hour (upon receipt in laboratory)

Reference Range:

Units are mEq/L.
No established reference range for random urine potassium measurement.

Methodology:

Ion Selective Electrode

Instructions:

Use no preservative.

Sample Processing:

Submit in leak-proof container.
Label transport tube with two patient identifiers, date and time of collection.

Sample Storage:

Refrigerate.

Transport Instructions:

Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.

CPT Code:

84133

See Additional Information:
Urine Tests Requiring no Preservatives