A member asked:

Can a urine lab test tell whether i used codeine or heroin 3 days after last use? my drug class said that they can not tell but would like 2nd opinion

A doctor has provided 1 answer

Dr. Ed Friedlander answered

Can distinguish: A state-of-the-art toxicologist can tell if it's required.

Answered 3/3/2015

3.2k views

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A member asked:

Can a urine lab test tell whether i used codeine or heroin 3 days after last use? my drug class said that they can not tell but would like 2nd opinion

A doctor has provided 1 answer

Dr. Ed Friedlander answered

Related Questions

A member asked:

Can a drug urine test, minimally a 10 panel test, specify if codeine is present rather than just stating the Codeine containing substance found is an opioid?

A member asked:

Let's say it's already in my system twice in the past week I have a drug test on Thursday what is the best way to help heroin get out of my system for a urine test?

A member asked:

6-AM is metabolized to morphine & codeine is metabolized to morphine how can they tell the difference in urine after sample is collected 4 days after

A member asked:

Tested positive for heroin twice w/swab test. Never used! should I ask for blood and/or urine test?

A member asked:

I go to my po on friday and used heroin on monday will i fail my urine test?

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