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Test Code UUN24 UREA NITROGEN, 24-HOUR URINE

Important Note

For patient collection instructions, please click here.

Additional Codes

Software Test Code
Label Text                                   UUN24
EPIC LAB449                    

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

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  

Keywords

UREA NITROGEN

Performing Laboratory Location

NorDx Laboratories

LOINC Code Information

3096-5

Rejection Information

24 hour collection incomplete