A rep for the actress said Monday that she was "in critical condition" after Friday's fiery automobile crash.
She suffered a severe pulmonary injury that required mechanical ventilation. She also needed to have burns treated surgically.
Blood of the actress to determine if she was under the influence of alcohol or drugs at the time.
Officers suspect that Heche, 53 years old, was intoxicated when her Mini Cooper blue drove into an LA house. This set off a huge fire that burned both her car and her car.
We received information this morning about a warrant that had been obtained on the same day of the traffic collision (August 5).
If Heche is found intoxicated, [heche] could face misdemeanor DUI hit-and-run charges. So far, no arrests have been made.
In Heche's car's cupholder, you can see a red-capped bottle. This photo TMZ reports was taken prior to the accident.
Eyewitnesses claim that the actress crashed into a garage at an apartment complex nearby, but then backed up and raced off before anyone could help.