Was it the T4 thyroid that was also tested and came back normal?
In the urine test did they check for crystals and do a culture & sensitivity for bacterial growth?
Absolutely everything on the blood test came back in normal range?
Any changes in the house in the last 6 weeks? new litter, new food, new cleaning product, new person or person leaving, moved houses, new animal?
Avoid biting when a simple growl will do
The Spirit Lives As Long As Someone Who Lives Remembers You - Navaho Saying
Vindication ~ For all those pets who became sick or lost their lives from tainted pet food