Total Protein, Urine 24 Hour

Message

Performing Lab: Central Lab, Hudson, Lakeview, Regions, Westfields

Test Code

3326

Alias/See Also

Sunquest: UTP24

CPT Codes
84156

Preferred Specimen

100 uL of a 24-hour urine collection

Minimum Volume

5 uL (does not include dead volume)

Instructions

Preserve 24 hour urine collection with refrigeration.

Consult Urine Collection/Processing Information for acceptable preservatives

Transport Temperature

Refrigerated

Specimen Stability

Room Temperature: < 24 hours
Refrigerated: < 7 days
Frozen: < 1 month at -20 C

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Unacceptable preservatives

Methodology
Colorometric: Pyrocatechol Violet
Benzethonium Chloride

Setup Schedule

Hospital: Daily
Clinics: Monday - Friday

Report Available

Same Day

Reference Range

< 300 mg/24 hours

Clinical Significance

The filtration and resorption of plasma proteins in the formation of urine are important functions of the intact, healthy kidney. The presence of elevated concentrations of protein in urine (proteinuria) is a key finding in primary renal disease of glomerular, tubular, or mixed origin. Proteinuria is also seen in patients with systemic disorders that affect the kidneys such as diabetes mellitis, hypertension, vascular disease, neoplasia, drug toxicity, and certain infectious diseases. Proteinuria may also exist as either a benign or transient condition.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.