Test Code LAB441 Protein, Total - 24 Hour Urine
Performing Laboratory
Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center
Specimen Minimum Volume
1.0 mL of a well mixed 24 hour specimen
Billing Code
2051118
Methodology
Pyrogallol Red
Specimen Requirements
24 hour urine, 24 hour urine container with no preservative
24 Hour Urine Container Instructions
24 Hour Urine Container with no preservatives
Container MUST be labeled with: Office Location, Patient’s First and Last Name and Date of Birth
Instruct patient:
- To label container with Date and time collection started, Date and time collection finished.
- Void and DISCARD the first-morning specimen and to record exact time of voiding.
- Patient should collect all subsequent voided urine for remainder of day and night.
- Collect first-morning specimen on day 2 at same time as noted on day 1.
- Collection is complete.
- Keep urine refrigerated during entire collection. Screw lid on securely.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
84156 - Protein, total, except by refractometry; urine
Additional Information
Evaluation of proteinuria, e.g., following urinalysis in which
proteinuria is detected. Evaluate renal diseases,
including proteinuria complicating diabetes mellitus, the nephrotic
syndromes, e.g., lipoid nephrosis, membranous, proliferative
glomerulopathies, metal poisoning, renal vein thrombosis, systemic
lupus erythematosus (SLE), constrictive pericarditis and
amyloidosis. Workup of renal diseases, including congestive
heart failure, malignant hypertension, glomerulonephritis,
Goodpasture’s syndrome,
Henoch-Schonlein purpura, thrombotic thrombocytopenic purpura
and other collagen diseases, cryoglobulinemia, toxemia of
pregnancy, drug nephrotoxicity, hypersensitivity reactions,
allergic reactions and
renal tubular lesions.
Specimen Transport Temperature and Stability
Refrigerate: 2-8° C
Transport to laboratory as soon as possible
Assay should be performed within 2 hours of the end of the collection period.
Performing Department
Chemistry
Reasons for Rejection
Lacking collection date
Lacking collection beginning and ending times
Lack of Two Patient Identifiers:
1-Patient's First & Last name
2-Patient's Date of Birth