You get your blood test results back, and instead of answers, you see a wall of letters: MCHC, MCV, RDW. It looks more like code than health information. Among those, MCHC is especially interesting—it’s a small detail that can reveal a lot about how well your blood is doing its job. Let’s unpack what MCHC actually means and why it matters for your health. What Is MCHC in a Blood Test? MCHC stands for Mean Corpuscular Hemoglobin Concentration . In plain English, it measures how much hemoglobin is inside your red blood cells. Hemoglobin is the protein that carries oxygen throughout your body. Red blood cells are like delivery trucks, and hemoglobin is their fuel. MCHC tells doctors whether those trucks are running light or heavy. It’s part of the Complete Blood Count (CBC) , one of the most common lab tests ordered by doctors. Why Does MCHC Matter? Every system in your body depends on oxygen. When red blood cells don’t carry enough of it, you feel the effects fast—fa...