Clinicians check potassium to assess fluid balance, nerve and muscle function, and heart rhythm risk. It’s often ordered if you take diuretics, ACE inhibitors, or ARBs, or have kidney, heart, or digestive issues. Results can guide medicine changes, diet advice, or repeat testing, and sometimes an ECG if very abnormal. You can test this marker with Aniva across Germany and Finland.

Clinicians check potassium to assess fluid balance, nerve and muscle function, and heart rhythm risk. It’s often ordered if you take diuretics, ACE inhibitors, or ARBs, or have kidney, heart, or digestive issues. Results can guide medicine changes, diet advice, or repeat testing, and sometimes an ECG if very abnormal. You can test this marker with Aniva across Germany and Finland.

High: May occur with kidney problems, certain medicines (ACE inhibitors, ARBs, potassium‑sparing diuretics), dehydration, or tissue breakdown; can affect heart rhythm.
Low: May result from vomiting, diarrhea, or diuretics, and can cause weakness or cramps. If a result is unexpected, avoid changing supplements or salt substitutes until you speak with a clinician. A repeat test or ECG may be advised.

• Sodium
• Chloride
• Bicarbonate (CO2)
• Creatinine
• eGFR (Creatinine)
• Magnesium

Common factors that can skew potassium include difficult blood draws with fist clenching or long tourniquet time, potassium supplements or salt substitutes, and medicines such as ACE inhibitors, ARBs, NSAIDs, heparin, trimethoprim, beta‑blockers, and diuretics. Dehydration, heavy exercise, vomiting/diarrhea, recent IV fluids, and sample handling delays can also shift results. Pregnancy and acute illness may temporarily change levels.

Special situations (when to confirm or adjust): unexpected results, suspected hemolysis, severe symptoms, kidney disease, medicine changes, or during pregnancy.