Sodium, Whole Blood
| Sunquest Code: | NAW | ||
| Epic Code: | LAB3629 | Epic Name: | SODIUM WHOLE BLOOD |
| Methodology: | Direct ion selective electrode | ||
| CPT Code: | 84295 | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Special Instructions: | UMMC only: Arterial or venous blood collected in a dry lithium heparin syringe for blood gas or ionized calcium analysis may be used for sodium, potassium or glucose analysis simultaneously. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.2 mL (tuberculin syringe) |
| Container: | Dry heparin syringe (Capillary (lithium heparin) gas tube, Green (lithium heparin, gel), Green (lithium heparin) on ICE) |
| Collection Instructions: | Must be delivered to the laboratory within 2 hours of collection. Plasma samples are acceptable if processed within 2 hours of collection. |
Processing and Shipping
| Specimen Processing: | Whole blood. Do not process. Do not store. |
| Test Performed at or Referral Lab | Chemistry (UMMC-East Bank, UMMC/UMMCH-West Bank, UMMC NICU) |
Interpretive
| Critical Range: | Less than 120 mmol/L and gerater than 160 mmol/L | ||||||||
| Reference Range: |
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| Use: | Evaluate sodium metabolism and drugs or diseases that alter it. |
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