Albumin, 24-Hour Urine with Creatinine

Test Code

15281

CPT Code(s)

82043, 82570

Test Code

15281

CPT Code(s)

82043, 82570

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

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

Clinical Significance

Albumin, 24-Hour Urine with Creatinine - Albumin excreted in the urine (Microalbumin) is a sensitive marker of Nephropathy. It is used to screen for early renal disease in diabetic patients.

Test Resources

Test FAQ

Albumin, Random Urine w Creatinine; Albumin, 24H Urine w Creatinine; Albumin, Random Urine without Creatinine; Albumin, 24H Urine without Creatinine

Test Guide

Laboratory Testing for Chronic Kidney Disease Diagnosis and Management

Test Details

Includes

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

Methodology

Turbidometric

Reference Range(s)

Albumin, 24 hour urine	<30 mg/24 h
Albumin, 24 hour urine	<20 mcg/min

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

The ADA defines abnormalities in albumin excretion as follows:

Category	Result (mg/24 h)	Result (mcg/min)
Normal	<30	<20
Microalbuminuria	30-299	20-199
Clinical Albuminuria	≥300	≥200

The ADA recommends that at least two of three specimens collected within a 3-6 month period be abnormal before considering a patient to be within a diagnostic category.

LOINC® Codes, Performing Laboratory

Service Area must be determined

Includes

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

Methodology

Turbidometric

Reference Range(s)

Albumin, 24 hour urine	<30 mg/24 h
Albumin, 24 hour urine	<20 mcg/min

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

The ADA defines abnormalities in albumin excretion as follows:

Category	Result (mg/24 h)	Result (mcg/min)
Normal	<30	<20
Microalbuminuria	30-299	20-199
Clinical Albuminuria	≥300	≥200

The ADA recommends that at least two of three specimens collected within a 3-6 month period be abnormal before considering a patient to be within a diagnostic category.

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

5 mL urine aliquot from a well-mixed 24-hour urine collection - no preservative

Alternative Specimen(s)

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

Minimum Volume

2 mL

Collection Instructions

Specify 24-hour total volume on container and test requisition.

Note: Exercise within 24 hours, infection, fever, congestive heart failure, marked hyperglycemia, and marked hypertension may elevate urinary albumin excretion over baseline values.

Transport Container

Plastic urine container

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria

Acid preserved urine

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

5 mL urine aliquot from a well-mixed 24-hour urine collection - no preservative

Alternative Specimen(s)

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

Minimum Volume

2 mL

Collection Instructions

Transport Container

Plastic urine container

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria

Acid preserved urine

Setup Schedule

Service Area must be determined

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

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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