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Geisinger Medical Laboratories Test Catalog
ELECTROLYTES, WHOLE BLOOD |
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Geisinger Epic Procedure Code: LAB2213
Geisinger Epic ID: 14216
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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 0.5 mL. | |
Special notes: |
Due to sample instability, this test may only be collected and analyzed at performing laboratory site. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Room temperature. Do not refrigerate. | |
Specimen stability: |
Stable 1 hour at room temperature. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
Sodium - whole blood: 135-146 mmol/L Potassium - whole blood: 3.5-5.1 mmol/L Chloride - whole blood: 98-107 mmol/L Bicarbonate 23-31 mmol/L Anion gap 7.0-15.0 mmol/L |
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Critical values/courtesy alerts: |
Sodium: Below 120, above 155 mmol/L Potassium: Below 2.5, above 6.5 mmol/L |
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CPT code(s): |
84132, 84295, 82435 | |
| 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 - whole blood, potassium - whole blood, chloride - whole blood, bicarbonate, anion gap. | |
Methodology: |
Potentiometric |
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Synonyms: |
Lytes, LYTES Electrolytes
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Clinical significance: |
Electrolytes (sodium, potassium, chloride) levels are affected by how much is taken in through the diet, the level of hydration, and the amount of electrolytes excreted by the kidneys. They are also affected by compounds such as aldosterone, a hormone that conserves sodium and increases the loss of potassium and natriuretic peptides, which increase renal losses of sodium. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM 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