Potassium — lab reference
In the reference guideHemolysis can falsely elevate. Ask your clinician to review kidney function and acid-base status.
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What’s searchable?Hemolysis can falsely elevate. Ask your clinician to review kidney function and acid-base status.
Formula and albumin correction vary by laboratory. Ask your clinician to confirm whether potassium is included.
Sodium intake, posture, potassium, time, medications, and renin method are essential.
Screening cutoff depends on units, method, medications, potassium, and collection protocol.
Your lab may use its own range. Symptoms, medicines, and the types of white blood cells also matter.
Altitude, smoking, hydration, androgen therapy, and pregnancy may shift values.
Ask your clinician to consider altitude and iron/B12/folate status. Pregnancy requires trimester-specific ranges.
Hydration and altitude are major modifiers. Ask your clinician to review alongside hemoglobin and RBC indices.
Macrocytosis and microcytosis require cause-specific interpretation.
The test method matters. Ask your clinician to review with MCV and MCHC.
Analyzer-specific; hemolysis and cold agglutinins may interfere.
Useful with MCV for mixed nutrient deficiencies and evolving anemia.
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