Test Code NA 24U Sodium, 24 Hour, Urine
Performing Laboratory
Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
Teays Valley Hospital Laboratory | 304-757-1770 |
Specimen Requirements
Entire 24-hour urine collection in a urine container without preservative
Refrigerate specimen during collection and send specimen on ice.
Storage and Stability
Refrigerated 2-8oC
24-Hour Urine Collection Instructions
Reference Values
40-220 mmol/24 hours
Methodology
Ion-Selective Electrode
Days Test Set Up and Turnaround
Monday through Sunday, Continuously
AM Collection | Expected by 9AM same day |
Routine | Expected within 24 hrs |
Stat | Expected within 1 hr |
Timed | Expected results are test dependant |
CPT Coding
84300
81050
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient