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HelpTest Code URUN Urine Urea Nitrogen, 24 hour
Specimen and Container/Tube
Urine, Timed (24 hour)
Rejection Criteria
N/A
Turnaround Time
N/A
Test Includes
Quantitative determination of urea nitrogen in urine
Specimen Type
Urine, Timed (24 hour)
Container/Tube
Sterile Urine Container
Preferred Volume
0.5 mL
Specimen Minimum Volume
0.2 mL
Reject Due To
N/A
Day(s) Performed
24 hours, 7 days a week including holidays
STAT DAY(S) AND TIME(S) PERFORMED
N/A
STAT Turnaround Time
N/A
Method Name
Spectrophotometric, Kinetic
Synonyms
N/A
CPT
URUN:
84540
Fee Code
URUN: 43279
Test Limitations
N/A
Test Usage
Assessment of protein intake and/or nitrogen balance.
Offsite Collection Instructions
1. Follow clinic instructions for 24 hour collection
process.
2. Keep urine refrigerated during the 24 hour collection
process.
3. Aliquot 10 mL from a well mixed timed sample collection.
4. Indicate collection volume and duration.
5. Transport refrigerated (2-8 ° C).
UCMC Collection Instructions
1. Follow clinic instructions for 24 hour collection
process.
2. Keep urine refrigerated during the 24 hour collection
process.
3. Aliquot 10 mL from a well mixed timed sample collection.
4. Indicate collection volume and duration.
5. Transport refrigerated (2-8 ° C).
Reference Values
12 �?? 20 g/24 hr
Additional Information
N/A
Stability: Room Temp
2 days
Stability: Refrigerated
7 days
Stability: Frozen
1 year
Pediatric Volume
0.2 mL
Clinical Indications
Assessment of protein intake and/or nitrogen balance. ?�
Transport Instructions
1. Follow clinic instructions for 24 hour collection
process.
2. Keep urine refrigerated during the 24 hour collection
process.
3. Aliquot 10 mL from a well mixed timed sample collection.
4. Indicate collection volume and duration.
5. Transport refrigerated (2-8 ?� C).
Test Components
Quantitative determination of urea nitrogen in?�urine
Specimen Stability
2 days
Methodology
Spectrophotometric, Kinetic
Synonyms/Key Search Words
N/A