If you take a quick scan of your medical report, you will see alphabets written for each category, like grades on an academic report card.
These letters represent the overall assessment of your health, and each alphabet represents a category of assessment.
Allow me to explain what they represent.

A: Normal, no issues whatsoever

B: Slight abnormalities. Regular checkups once a year is recommended

C: Examination by doctor or health guidance required

D: Detailed examination or treatment required

E: Currently undergoing treatment or under observation

Sometimes numbers are printed beside the alphabet e.g. B1 instead of just B. The numbers represent the levels of that category and they specify the type of action that needs to be taken as follow