Sodium
| Abbrev Code: | NA | ||
| Order Code: | LAB122 | Order Name: | Sodium |
| Order Instructions: | Use test code NAW for whole blood testing. | ||
| Synonyms: | Electrolytes (Na, K, Cl, CO2) | ||
| Methodology: | Roche: Indirect ion selective electrode
Vista: Indirect potentiometric Woodwinds: ISE, diluted |
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| CPT Codes: | 84295 x1, 84295 x1 | ||
| 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. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2.5 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Collection Instructions: | Chemistry Tests Containers Chart |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Roche: 14 days at room temperature; 14 days refrigerated; indefinitely frozen.
Vista: 1 week at room or refrigerated temperature; 1 year frozen. |
| Test Performed at or Referral Lab | Chemistry (CSC Maple Grove, Roche-CSC Mpls, Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Range, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, Roche-UMMC West, Woodwinds) |
Interpretive
| Critical Range: | Basic, Electrolyte and Renal Panels Critical Values and Reference Ranges |
| Reference Range: | Basic, Electrolyte and Renal Panels Critical Values and Reference Ranges |
| Limitations: | Refer to Electrolyte Panel for limitations. |
| Use: | Evaluate sodium metabolism and drugs or diseases that alter it. |
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