Sodium
| Order Code: | NA |
| Epic Lab Code: | LAB122 |
| Order Form: | A-1a General Lab or Epic Req |
Chemistry
6240 RCP
356-3527
6240 RCP
356-3527
Specimen:
Plasma
Collection Medium:
![]() |
| Plasma Separator Tube |
Alternate
Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3 mL whole blood in light green top tube or ONE microtainer for
pediatric patients.
Rejection Criteria:
Sodium heparin is not acceptable (elevates Na)
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
1 hour (upon receipt in laboratory)
Reference Range:
135-145 mEq/L.
Pediatric Reference Ranges:
Age Range Units
Premature 130-140 mEq/l
Critical value: <120 mEq/l and >160 mEq/l
Test
Limitations:
Patients over a wide anion gap range demonstrated no significant sodium
bias.
Methodology:
Ion Selective Electrode
CPT Code:
84295
See also:
Sodium-Other, Body Fluid (e.g., surgical drain, pericardial, peritoneal, peritoneal dialysis, pleural, or synovial)
Sodium-Other, Body Fluid (e.g., surgical drain, pericardial, peritoneal, peritoneal dialysis, pleural, or synovial)
