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Potassium, Serum : 733
Test CodeKAU or 733
CPT Codes
84132
Instructions
Separate from cells as soon as possible after clotting.
Transport Container
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 7 days; Refrigerated: 7 days; Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Plasma
Methodology
Ion Selective Electrodes (ISE)
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
≤1 Week 3.2-5.5 mmol/L
8-27 Days 3.4-6.0 mmol/L
1-5 Months 3.5-5.6 mmol/L
6 Months -1 Year 3.5-6.1 mmol/L
2-19 Years 3.8-5.1 mmol/L
≥20 years 3.5-5.3 mmol/L
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.
Performing Laboratory
med fusion