TCM diagnosis based on syndrome differentiation:
1. Deficiency of Heart and Spleen
Therapeutic Methods: invigorating spleen and supplementing qi, nourishing the blood and tranquilization
 
2. Deficiency of Both Qi and Blood
Therapeutic Methods: benefiting qi and nourishing blood

3. Deficiency of Spleen and Kidney
Therapeutic Methods: tonifying spleen and kidney
 
Diagnosis in western medicine
One test used to diagnose many forms of anemia is the complete blood count (CBC). This test measures the different parts of your blood. Your doctor can check the number and appearance of your red blood cells. They will appear larger and underdeveloped if you have megaloblastic anemia. Your doctor will also gather your medical history and perform a physical exam to rule out other causes of your symptoms. Your doctor will need to do more blood tests to figure out if vitamin deficiency is causing your anemia. These tests will also help them find out whether it’s a vitamin B-12 or folate deficiency that’s causing the condition.

One test that your doctor may use to help diagnose you is the Schilling test. The Schilling test is a blood test that evaluates your ability to absorb vitamin B-12. After you take a small supplement of radioactive vitamin B-12, you’ll collect a urine sample for your doctor to analyze. You will then take the same radioactive supplement in combination with the "intrinsic factor" protein that your body needs to be able to absorb vitamin B-12. Then you’ll provide another urine sample so it can be compared to the first one. It’s a sign that you don’t produce intrinsic factor of your own if the urine samples show that you only absorbed the B-12 after consuming it along with the intrinsic factor. This means that you’re unable to absorb vitamin B-12 naturally.