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To view specimen requirements and codes please select your laboratory:
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Urinalysis with Reflex to Microscopic
A microscopic examination is performed, when appropriate, at an additional charge (CPT code(s): 81015).
10 mL urine - Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
Preserved: 1 mL
Unpreserved (pediatric only): 1 mL
Refrigerated unpreserved pediatric sample
Encourage mid stream samples to minimize contamination and improve accuracy. Label the sample appropriately and store at room temperature until pick-up.
Note: The yellow-top, blue line tube cannot be used for collection and transport of specimens for urine culture.
**This test code does not include reflex to culture**
If reflex to culture is desired, please order "Urinalysis, Complete, with Reflex to Culture" (test code 3020).
If culture is being ordered separately, submit separate specimen (4 mL gray-top tube).
Yellow-top, blue fill line urinalysis transport tube
Preserved: Room temperature
Pediatric Unpreserved: Refrigerated (cold packs)
Room temperature: 72 hours preserved specimen
Refrigerated: 24 hours unpreserved pediatric specimen
Unpreserved specimen (adults) • Yellow/red swirl-topped conical transport tube with preservative
Reagent Impregnated Strips/Tablets/Microscopic Examination if urine macroscopic or dipstick indicates
|1737 Airport Way S Suite 200|
|Seattle, WA 98134-1636|
Set up: Daily; Report available: 1 day
See Medical Report
Dipstick urinalysis measures chemical constituents of urine. Microscopic examination helps to detect the presence of cells, bacteria, yeast and other formed elements.
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 Name||LOINC Code||Component Name|
|30006000||SPECIFIC GRAVITY||5811-5||Specific gravity|
|30006500||LEUKOCYTE ESTERASE||5799-2||Leukocyte esterase|
|30006900||SQUAMOUS EPITHELIAL CELLS||11277-1||Epithelial cells.squamous|
|30006910||TRANSITIONAL EPITHELIAL CELLS||30089-7||Transitional cells|
|30007000||RENAL EPITHELIAL CELLS||26052-1||Epithelial cells.renal|
|30007300||AMORPHOUS SEDIMENT||8246-1||Amorphous sediment|
|30010000||CALCIUM OXALATE CRYSTALS||25148-8||Calcium oxalate crystals|
|30010100||TRIPLE PHOSPHATE CRYSTALS||46137-6||Triple phosphate crystals|
|30010200||URIC ACID CRYSTALS||46138-4||Urate crystals|
|30010400||HYALINE CAST||5796-8||Hyaline casts|
|30010500||GRANULAR CAST||5793-5||Granular casts|
|30071900||REDUCING SUBSTANCES||20626-8||Reducing substances|
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.