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HelpTest Code UNA Sodium, 24 Hour, Urine
Methodology
Ion-Selective Electrode (ISE)
Specimen Requirements
Submit an entire 24-hour urine collection in a urine container.
No preservative. Refrigerate specimen during collection, and send
specimen refrigerated.
Note: 1. Starting and ending times
of collection are required on request form for
processing.
2. Follow instructions in “Urine
Collection—Huntsville Hospital Health System
Laboratory” in “Special
Instructions.”
Specimen Stability Information
|
Specimen Type |
Temperature |
Time |
|
Urine, 24 hr collection |
Refrigerated |
7 days |
Reference Values
40-220 mEq/L/24 hours
Reject Due To
|
Hemolysis |
NA |
|
Lipemia |
NA |
|
Icterus |
NA |
Day(s) Test Set Up
Monday through Sunday
CPT Coding
81050 - urine timed measurement
84300 - sodium
Secondary ID
HHA1410
Performing Laboratory
Huntsville Hospital Laboratory/ Madison Hospital Laboratory
Special Instructions
LOINC Coding
| Test Name | LOINC Code |
|---|---|
|
Sodium, 24 Hour, Urine |
2956-1 |
| Total Volume | 3167-4 |
| Urine Sodium, Random | 2955-3 |
| Urine Sodium, 24 hr | 2956-1 |