Anemia Tests

Anemia Tests — What to Test, When, and How to Interpret

Anemia tests help identify whether fatigue, weakness, or shortness of breath are due to low red blood cell count or nutrient deficiencies. The primary labs—CBC, ferritin, iron/TIBC, vitamin B12, and folate—provide insights into iron stores, blood cell health, and underlying causes. Results guide whether anemia is from iron deficiency, chronic disease, or vitamin deficiencies.


What It Tests

Anemia is not a single disease—it’s a condition caused by reduced oxygen-carrying capacity of the blood. Lab tests for anemia help:

  • Detect the presence of anemia

  • Identify its cause (iron deficiency, chronic disease, B12/folate ... See more

Browse Anemia Tests Subcategories

Anemia is a common blood disorder in the United States that affects over 3 million Americans. With our help, you can diagnose anemia and gain valuable information on the underlying factors that affect your health.

What Is Anemia?

Anemia is a blood condition where a decreased number of red blood cells carry oxygen throughout the body. Let’s review the most common types of anemia and their symptoms.

Types of Anemia

There are over 400 known types of this blood disorder, the four most known ones being iron deficiency anemia, vitamin deficiency anemia, aplastic anemia, and hemolytic anemia.

Iron Deficiency Anemia 

When the level of iron in the body gets too low, the body develops iron deficiency anemia. There are various reasons a person may have low iron levels in their body, such as inadequate intake or malabsorption; however, the most common cause is blood loss. As soon as you lose blood, your body starts getting ... See more