Specimen:

Urine

Collection Medium:

Alternate
Collection Media:

Call laboratory for additional acceptable specimen collection 
containers.

Minimum:

1.0 ml urine, random sample; no preservatives

Testing
Schedule:

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

Analytic Time:

2 hours (upon receipt in laboratory)

Methodology:

Ion Selective Electrode

Sample
Processing:

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

Sample
Storage:

Refrigerate.

Transport
Instructions:

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

Instructions:

Use no preservative.

CPT Code:

84133

See Additional Information:
Urine Tests Requiring no Preservatives