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Geisinger Medical Laboratories Test Catalog
SODIUM, WHOLE BLOOD |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3069 Geisinger Epic ID: 14428 | |
SPECIMEN COLLECTION |
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Specimen type: |
Whole blood | |
Preferred collection container: |
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Alternate Collection Container: |
3 mL green/black top lithium heparin tube
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Specimen required: |
1 mL whole blood; minimum 0.4 mL. | |
Special notes: |
Due to sample instability, this test may only be collected and analyzed at performing laboratory sites. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Room temperature (preferred) or in an ice slurry. | |
Specimen stability: |
Stable 1 hour at room temperature or in an ice slurry. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
135 - 146 mmol/L. | |
Critical values/courtesy alerts: |
Below 120, above 155 mmol/L. | |
CPT code(s): |
84295 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Sodium. | |
Methodology: |
Potentiometric |
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Synonyms: |
NAWB
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Clinical significance: |
Sodium in whole blood can rapidly assess the hydration state of the patient and help diagnose several diseases that affect water and electrolyte imbalance. Addison's disease, diabetes insipidus, aldosteronism, and inappropriate antidiuretic hormone (ADH) secretion typically require electrolyte monitoring. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |
Performing Locations
Geisinger Wyoming Valley Medical Center
Geisinger Shamokin Area Community Hospital
Geisinger Community Medical Center