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Geisinger Medical Laboratories Test Catalog
POTASSIUM |
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Geisinger Epic Procedure Code: LAB2885
Geisinger Epic ID: 14403
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SPECIMEN COLLECTION |
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Specimen type: |
Plasma or serum | |
Preferred collection container: |
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Specimen required: |
2 mL of serum or plasma; minimum 0.2 mL. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow to serum clot. Centrifuge to separate serum or plasma within 2 hours of collection. | |
Transport temperature: |
Spun specimen: Refrigerated (preferred). Unspun specimen: Room temperature (only). | |
Specimen stability: |
Unspun whole blood (room temperature): 2 hrs. Spun SST: Refrigerated: 3 days. Spun PST: Refrigerated: 12 hours. | |
Rejection criteria: |
Grossly hemolyzed specimens. Specimens not centrifuged within 2 hours of collection. Refrigerated unspun specimen. Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
3.5 - 5.1 mmol/L. | |
Critical values/courtesy alerts: |
Below 2.5, above 6.5 mmol/L. | |
CPT code(s): |
84132 | |
| 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: |
Potassium. | |
Methodology: |
Potentiometric |
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Synonyms: |
K
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Clinical significance: |
Potassium measurements are useful in monitoring electrolyte balance in the diagnosis and treatment of disease conditions characterized by low or high blood potassium levels. Potassium is elevated in adrenal cortical insufficiency, acute renal failure and in some cases of diabetic acidosis. Potassium is decreased in diuretic administration and renal tubular acidosis. | |
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
Geisinger Medical Center Muncy