Explore All Tests

Explore All Tests contains an organized collection of laboratory test articles — blood, urine, stool, disease-specific and uncategorized tests — explained clearly for patients and students.

RDW slightly high blood test showing mild red blood cell size variation and when it is usually not serious

RDW Slightly High – Is It Serious or Just a Mild Change?

RDW Slightly High – Is It Serious? This is one of the most common questions I hear at the lab counter. A patient looks at the CBC report, notices that RDW is marked slightly high, and immediately worries that something serious is going on. Many people search online and end up reading extreme explanations that

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