I usually run at .6 to .9 myself on 1200mg a day. My pdoc always tells me NOT to take it before the blood test. Everyone is different when it comes to the levels, so I can't answer you there. There's always a chance however small that the hospital goofed, too.
If you are nearing toxic levels or at them, you need to make an emergency call to your pdoc ASAP. I would also learn the signs of toxicity:
Mild shakiness, especially in the hands
Thirst
Increased or frequent urination
Diarrhea
Vomiting
Drowsiness
Muscle weakness
Coordination problems.
Signs of more severe toxicity include:
Giddiness
Blurred vision

• Ringing in the ears (tinnitus)
• Severe shakiness
• Seizures.

Because the effective lithium blood level is so close to the toxic blood level, many people must endure mild symptoms of lithium toxicity in order to take an effective dosage. It is not unusual for people to have mild hand shakiness (tremors), thirst, and increased urination the entire time they are taking lithium. However, if your symptoms become worse (or if you have new symptoms), this may signal a problem with lithium toxicity.

Let us know if you are OK?