How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Family Physician Your Own Question
Family Physician
Family Physician, Board Certified MRO
Category: Drug Testing
Satisfied Customers: 12816
Experience:  Medical Review Officer - Physician Trained and certified in drug test interpretation
1304720
Type Your Drug Testing Question Here...
Family Physician is online now

will I key of cocaine show up in hair strand test

Customer Question

will I key of cocaine show up in hair strand test
Submitted: 4 years ago.
Category: Drug Testing
Expert:  Family Physician replied 4 years ago.
When did you use the cocaine?

How long after using the cocaine did you (will you) have the test?

Is this the only use of cocaine, or have you used before? If so, when and how often?
Customer: replied 4 years ago.
15 th april
Customer: replied 4 years ago.


I had it middle april and had drugs test last thrsday

Customer: replied 4 years ago.
Relist: Other.
I haven't received an answer back
Customer: replied 4 years ago.
I. Have give you this twice and haven't had answer yet could you send it to another
Email address [email protected]
Expert:  Family Physician replied 4 years ago.
I'm sorry, I was having some technical problems on my end....

While a single use of cocaine could theoretically give a positive, in most cases this is NOT the case. Hair tests typically need multiple uses over time to give a level high enough to register positive on a hair test.

Customer: replied 4 years ago.


it was used in febuary once as well as once in april

Expert:  Family Physician replied 4 years ago.
Since the detection period for hair tests is approximately 3 months - you would have had several uses during this period. This places you at a somewhat higher risk of a positive test.