Sodium
Order Code: URNA
Order Form: Laboratory Requisition
Specimen:
Urine, Random
Collection Medium:
Red top tube
Alternate Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3.0 mL random urine; no preservative
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
1 hour (upon receipt in laboratory)
Methodology:
Ion Selective Electrode
Instructions:
Random sample, no preservative.
Sample Processing:
Submit urine in leak-proof plastic container.
Sample Storage:
Room temperature or refrigerate if stored overnight, weekends or holidays.
Transport Instructions:
Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Ship ambient or refrigerate.
CPT Code:
84300
 
See Additional Information:
Urine Tests Requiring no Preservatives