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Test Code UUN24 UREA NITROGEN, 24-HOUR URINE

Performing Laboratory

NorDx Laboratories

Useful For

Diagnosing and treating certain renal and metabolic diseases

Method Name

Spectrophotometry (SP)

Reference Values

12-20 g/24h

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Available Stat

Profile Information

Individual Test Description

DATES OF COLLECTION, 24 HOUR URINE
UREA NITROGEN, 24 HOUR URINE
VOLUME, 24 HOUR URINE

Specimen Type

Urine, 24-Hour

Preferred Container

24-Hour Urine Container – 24 hour collection required; No preservatives

Preferred Volume

Urine, 24-Hour: 10 mL (24-Hour Urine Container)

Minimum Volume

Urine, 24-Hour: 1 mL (24-Hour Urine Container)

Specimen Collection and Handling

1. No preservative

2. Refrigerate specimen during collection.

3. Send specimen refrigerated.

To Process:

1. Prior to aliquoting specimen, mix specimen well, measure and record volume.

2. 10 mL aliquot from a 24-hour urine collection in a clean, non-sterile, plastic urine container.

3. 24-HOUR VOLUME IS REQUIRED ON REQUEST FORM FOR PROCESSING.

Click here to view the Urine Collection Instructions

Rejection Information

24 hour collection incomplete

Specimen Stability Information

Specimen Type: Urine, 24-Hour

Refrigerated: 7 Days

Add On Capable

Yes

Advance Beneficiary Notice Requirements

No ABN Required

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

84540 Urea Nitrogen, Urine, Quantitative

LOINC Code Information

3096-5

Keywords

UREA NITROGEN

Performing Laboratory Location

NorDx Laboratories