Crystals, Urine

Crystals, Urine

Test Code

397
81015
397
81015
Not offered in Quest Nichols Institute - Chantilly, VA | Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. 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

Crystals, Urine - Abnormal crystals may appear in urine as a result of pathology or due to normal catabolism

Test Resources

None found for this test
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Test Details

Methodology

Microscopy/Polarized Light

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Microscopy/Polarized Light

Reference Range(s)

See Laboratory Report
Service Area must be determined

Preferred Specimen(s)

10 mL urine - urinalysis transport tube (yellow-top, blue fill line preservative tube)

Alternative Specimen(s)

Yellow/red swirl-topped conical transport tube with preservative • 3 mL unpreserved urine cup

Minimum Volume

Preserved: 3 mL
Unpreserved: 1 mL

Collection Instructions

Encourage mid-stream samples to minimize contamination and improve accuracy.
Label the sample appropriately and store at room temperature until pick-up.

Transport Container

Yellow-top, blue fill line urinalysis transport tube

Transport Temperature

Preserved: Room temperature
Unpreserved: Refrigerated (cold packs)

Specimen Stability

  • Preserved urine
    Room temperature: 72 hours
    Refrigerated: 72 hours
    Frozen: Unacceptable

    Unpreserved urine
    Refrigerated: 24 hours

Setup Schedule

Service Area must be determined
10 mL urine - urinalysis transport tube (yellow-top, blue fill line preservative tube)
Yellow/red swirl-topped conical transport tube with preservative • 3 mL unpreserved urine cup
Preserved: 3 mL
Unpreserved: 1 mL
Encourage mid-stream samples to minimize contamination and improve accuracy.
Label the sample appropriately and store at room temperature until pick-up.
Yellow-top, blue fill line urinalysis transport tube
Preserved: Room temperature
Unpreserved: Refrigerated (cold packs)
Preserved urine
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: Unacceptable

Unpreserved urine
Refrigerated: 24 hours
Service Area must be determined
Not offered in Quest Nichols Institute - Chantilly, VA | Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. 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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