Urea Nitrogen, Quantitation
| Label Mnemonic: | UUN |
| Epic code: | LAB861 |
| Order form: | Laboratory Requisition |
| Supply order: | Supply Order Form |
| Billing: | Billing Policies |
| CPT code: | 84520 |
Specimen(s):
Urine
Collection Medium:
) |
| Urine - 24 hour/timed plastic urine container |
Alternate
Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
24 hr collection; no preservative
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around
Time:
3 hours (upon receipt in laboratory)
Reference Range:
6-17 g/24 hr
Methodology:
Enzymatic
Instructions:
Record date and time of 24 hour collection on requisition. No
preservative. Send entire collection.
Sample
Processing:
Submit in leak-proof container.
Label the container with two Full patient identifiers, start date/time, and stop date/time of collection.
Label the container with two Full patient identifiers, start date/time, and stop date/time of collection.
Sample
Storage:
Room temperature or refrigerate if stored overnight.
Transport
Instructions:
Place requisition in bag, seal bag, and tape securely to (urine) container.
Ship refrigerated.
Ship refrigerated.
CPT Code:
84520