Protein, Total, 24-Hour Urine with Creatinine

Test Code

757

CPT Code(s)

82570, 84156

Test Code

757

CPT Code(s)

82570, 84156

In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Protein, Total, 24-Hour Urine with Creatinine - Urinary total proteins are negligible in healthy individuals. Concentrations are increased in patients with a wide variety of disease that impair renal function including diabetes, hypertension, nephritic syndrome, and drug nephrotoxicity.

Test Resources

Clinical Focus

Autoimmune Rheumatic and Related Diseases

Test Details

Includes

CPT code 81050 may be added at an additional charge for volume measurement

Methodology

Colorimetric (C) • Spectrophotometry (SP)

Reference Range(s)

Protein, Total, 24 Hr Ur

<150 mg/24 h

Protein/Creatinine Ratio

Male	<100 mg/g creat
Female	<150 mg/g creat

Protein/Creatinine Ratio

Male	<0.100 mg/mg creat
Female	<0.150 mg/mg creat

Creatinine, 24-Hour Urine

<3 Years	Not established
3-8 Years	0.10-0.80 g/24 h
9-12 Years	0.20-1.40 g/24 h
13-17 Years	0.40-1.90 g/24 h
>17 Years	0.50-2.15 g/24 h

LOINC® Codes, Performing Laboratory

Service Area must be determined

Includes

CPT code 81050 may be added at an additional charge for volume measurement

Methodology

Colorimetric (C) • Spectrophotometry (SP)

Reference Range(s)

Protein, Total, 24 Hr Ur

<150 mg/24 h

Protein/Creatinine Ratio

Male	<100 mg/g creat
Female	<150 mg/g creat

Protein/Creatinine Ratio

Male	<0.100 mg/mg creat
Female	<0.150 mg/mg creat

Creatinine, 24-Hour Urine

<3 Years	Not established
3-8 Years	0.10-0.80 g/24 h
9-12 Years	0.20-1.40 g/24 h
13-17 Years	0.40-1.90 g/24 h
>17 Years	0.50-2.15 g/24 h

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

10 mL aliquot from a well-mixed, 24-hour collection - no preservative

Alternative Specimen(s)

Urinalysis transport tube (yellow-top, blue fill line, preservative tube)

Minimum Volume

2 mL

Collection Instructions

Record total volume and duration of collection on test requisition and urine vial

Transport Container

Plastic urine container

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 4 days
Refrigerated: 5 days
Frozen: 30 days

Reject Criteria

Acidified urine

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

10 mL aliquot from a well-mixed, 24-hour collection - no preservative

Alternative Specimen(s)

Urinalysis transport tube (yellow-top, blue fill line, preservative tube)

Minimum Volume

2 mL

Collection Instructions

Record total volume and duration of collection on test requisition and urine vial

Transport Container

Plastic urine container

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 4 days
Refrigerated: 5 days
Frozen: 30 days

Reject Criteria

Acidified urine

Setup Schedule

Service Area must be determined

In-home collection is not available in your area through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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