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To view specimen requirements and codes please select your laboratory:

Not sure which laboratory serves your office? Call us 1-866-MYQUEST (1-866-697-8378)


Test Code


CPT Code(s)




Preferred Specimen(s)

5 mL random urine submitted in a plastic leak-
proof container. Do not use preservatives.
Mix well if aliquotting.

Minimum Volume

2 mL

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 1 year



Setup Days

Monday through Saturday

Report Available

1 Day from set up

Reference Range(s)

Microalbumin, Random Urine Not established
Creatinine, Random Urine
≤6 Months 2-32 mg/dL
7-11 Months   2-36 mg/dL
1-2 Years 2-128 mg/dL
3-8 Years 2-149 mg/dL
9-12 Years 2-183 mg/dL
>12 Years Male 20-370 mg/dL
>12 Years Female 20-320 mg/dL
Microalbumin/Creat Ratio <30 mcg/mg creat

Clinical Significance

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

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result NameLOINC CodeComponent Name
1246CREATININE, RANDOM URINE2161-8Creatinine

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 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 payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.