Sodium, Quantitation
| Order Code: | UNA |
| Order Form: | Laboratory Requisition |
Specimen:
Urine
Alternate
Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
24 hr collection; no preservative (or random specimen).
Collections other than 24 hr will not be calculated for Meq/24 hr.
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
3 hours (upon receipt in laboratory)
Reference Range:
130-315 meq/24 hr
Methodology:
Ion Selective Electrode
Instructions:
Include date and time of 24 hour collection on requisition. No
preservative. Send entire collection.
Sample
Processing:
Submit urine in leak-proof plastic container.
Label transport tube with two patient identifiers, date and time of collection.
Label transport tube with two patient identifiers, date and time of collection.
Sample
Storage:
Room temperature or refrigerate if stored overnight, weekends or holidays.
Transport
Instructions:
Place requisition in bag, seal bag, and tape securely to (urine) container.
Ship ambient or refrigerate.
Ship ambient or refrigerate.
CPT Code:
84300
