Albumin, Random Urine with Creatinine

Test code

6517

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.

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Clinical significance

Albumin, Random Urine with Creatinine - This test is used to detect albuminuria by measuring albumin and creatine concentrations in a random (spot) urine sample and calculating the albumin-creatinine ratio (ACR). This test is useful for assessing kidney damage, especially at an early stage, and informing management and prognosis of chronic kidney disease (CKD) [1].Albuminuria, as a marker of kidney damage, provides a more specific and sensitive measurement of glomerular permeability than does proteinuria. An ACR measured from a spot urine sample acquired in the early morning is preferred for initial evaluation of albuminuria. This test can also be used to…

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

New

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Details

Test details

Methodology

Colorimetric • Kinetic • Turbidimetric

Specimen requirements
Patient preparation	None Specified
Preferred specimen(s)	10 mL random urine - no preservative
Alternative specimen(s)	Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
Minimum volume	2 mL
Collection instructions	Mix well if aliquoting 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

Reference range(s)

Reference Range(s)

Albumin, Urine	Not established
Albumin/Creat Ratio, Random Urine	<30 mg/g creat

Creatinine, Random Urine

≤6 Months	2-28 mg/dL
7-11 Months	2-31 mg/dL
1-2 Years	2-110 mg/dL
3-8 Years	2-130 mg/dL
9-12 Years	2-160 mg/dL
>12 Years Male	20-320 mg/dL
>12 Years Female	20-275 mg/dL

LOINC® codes

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Service Area Information

Performing lab & setup schedule

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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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