Potassium, RBC Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	Coming soon	$65.49
Results in	—	~5 business days
Sample type	—	Blood Whole Blood
Require fasting	—	No

About the test

This test assesses potassium levels red blood cells to determine intracellular potassium status, which may provide a more accurate assessment of total body potassium levels than serum analysis.

Included biomarkers & Reference ranges

Biomarker	Reference range
Potassium, RBC Measures potassium inside your red blood cells, as a look at potassium stored within cells, where most of the body's potassium is held.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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