Protein-Urine 24 Hr

Label Mnemonic:	UPR
Epic code:	LAB891
Downtime form:	A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Chemistry
6240 RCP
356-3527

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.

This test is also performed in the Iowa River Landing (IRL) clinical laboratory (for specimens drawn at that site).

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

CPT Code:

84156

See Additional Information:
Urine Tests Requiring no Preservatives