Protein-Urine 24 Hr
Label Mnemonic: UPR
Epic code: LAB891
Order form: Laboratory Requisition
Supply order: Supply Order Form
Billing: Billing Policies
CPT code: 84156
Specimen(s):
Urine, Quantitation
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. Collections other than 24 hr will not be calculated for g/24 hr.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
3 hours (upon receipt in laboratory)
Reference Range:
.1 - .2 g/24 hr (Timed)
Comments:
Do not collect in acid.
Test Limitations:
Criterion: recovery plus or minus 10% of initial values.

Icterus: No significant interference up to an I index of 45 
(approximate conjugated and unconjugated bilirubin concentration: 45 
mg/dL).

Hemolysis: No significant interference up to an H index of 50.

No significant interference from:
Ascorbic Acid    Creatinine       Glucose
Phosphorus       Urea             Magnesium
Sodium Citrate   Caffeine         Cefazolin Sodium
Chlorpromazine   Calcium          L-Dopa Gentamicin
Sulfate          Sodium Oxalate   Uric Acid
Methodology:
Turbidimetric
Instructions:
Submit ENTIRE urine collected in 24 hour leak-proof plastic container.
Sample Processing:
Label the container with two Full patient identifiers, start date/time, and stop date/time of collection.
Submit entire 24 hour urine collection in original container.
Sample Storage:
Refrigerate.
Transport Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place requisition in bag, seal bag, and tape securely to (urine) container.
Transport in cooler with refrigerated coolant packs.
CPT Code:
84156