That grain thing is a mixture of a certain type of fungus that grows on some grasses and grains.
I don't know what the other initials mean - you should ask the nurse to explain this all to you next time you go to the allergist's office.
The numbers only indicate the size of the wheal & flare that you had during the test. The size of the wheal & flare has nothing to do with how severe your reaction would be to the actual substance.
I hope this helps - take care,
Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD (Lupus?), Osteoporosis, Anemia, T- & B-Cell Lymphopenia, malabsorption/malnutrition, Lyme Disease (Igenex Lab IgM WesternBlot positive/CDC negative), etc.
Meds: Pulmicort, Injectable Vitamin B12, Herbs, Nutritional Supplements, Homeopathy.