Mucinex MD overdose, and drug test?

my friend took 9 mucinex MD pills, and she started trippin, and now her mom wants to drug test her. will this come out surrounded by the test? and if possible how can she get it out of her system?
Answers:
Let's see. She does something stupid and wishes to avoid the consequences?

Only time will get it out of her system. As for the test....

Related Questions:
I accidently took three 200mg CVS brand ibuprofen, is that ok?   Unknown Pill Identification?   Becoming a Neurologist? difficult?   Foriegn scientist and her invented?   Overdose on some blood thinners?  
  • Cutting stern on dietary steroids may not drain your blood cholesterol stratum. Why?
  • Self injury disorder?
  • Important question.........??