Test Code URUR Urine Uric Acid, 24 hour
Specimen and Container/Tube
Urine, Timed (24 hour)
Rejection Criteria
N/A
Turnaround Time
N/A
Test Includes
Quantitative determination of uric acid 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
Monday – Friday
STAT DAY(S) AND TIME(S) PERFORMED
N/A
STAT Turnaround Time
N/A
Method Name
Enzymatic Colorimetric Assay
Spectrophotometric
Synonyms
N/A
CPT
URUR:
84560
Fee Code
URUR: 43446
Test Limitations
High homogentisic acid concentrations in urine samples lead
to
false results.
Test Usage
Useful in the assessment and management of patients with
kidney
stones, particularly uric acid stones.
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
250 �?? 750 mg/24 hr
Additional Information
N/A
Stability: Room Temp
Not Stable
Assay Immediately
Stability: Refrigerated
Not Stable
Assay Immediately
Stability: Frozen
Not Stable
Assay Immediately
Pediatric Volume
0.2 mL
Clinical Indications
Useful in the assessment and management of patients with
kidney
stones, particularly uric acid stones.
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 uric acid in?�urine
Specimen Stability
Not Stable
Assay Immediately
Methodology
Enzymatic Colorimetric Assay
Spectrophotometric
Synonyms/Key Search Words
N/A