Test Code URNA Urine Sodium, 24 hour
Specimen and Container/Tube
Urine, Timed (24 hour)
Rejection Criteria
N/A
Turnaround Time
N/A
Test Includes
Quantitative determination of sodium 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
Ion Specific Electrode (ISE)
Synonyms
N/A
CPT
URNA:
84300
Fee Code
URNA: 43447
Test Limitations
N/A
Test Usage
Useful in the assessment of fluid 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
40 �?? 220 mEq/24 hr
Additional Information
N/A
Stability: Room Temp
14 days
Stability: Refrigerated
14 days
Stability: Frozen
stable
Pediatric Volume
0.2 mL
Clinical Indications
Useful in the assessment of fluid 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 sodium in?�urine
Specimen Stability
14 days
Methodology
Ion Specific Electrode (ISE)
Synonyms/Key Search Words
N/A