| Synonyms:
| Chem4, Lytes |
| Specimen: | Blood; (1) SST (serum separator), Red (no preservative), or Green (lithium heparin) top vacutainer tube OR
Urine; random 10 mL or timed specimen in a urine collection container. |
| Volume: | Full primary tube; 24 hour urine volume or random urine container with 5 mL volume. |
| Minimum Volume: | 100 microL plasma/serum; 1 mL urine |
| Collection: | If tube other than an SST is collected, transfer serum or plasma to a tightly capped plastic aliquot tube within 2 hours of collection for transport.
Regrigerate at 2-8°C.
|
| Rejection Criteria: | Hemolysis; improper labeling. |
| Reference Range: | See individual Analyte |
| Methodology: | |
| Test Use: | |
| Additional Information: | 24 hour urine specimens for sodium, potassium or chloride should be without addition of preservatives.
Chloride may be performed on CSF. |
| Testing Includes: | Quantitative measurement of sodium, potassium, chloride and CO2. |
| Testing Facility: | AnMed Laboratory |