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Hello, I Had 6 Beers 7 Days Ago And Did

Posted on Sat, 13 Apr 2019

Question: Hello, I had 6 beers 7 days ago and did the EtG test after exactly 168 hours after last consumption. What are my chances of being positive for 100ng/mL? Please advise.

Answered by Dr. Shyam B. Kale (2 hours later)

Brief Answer:
Very less chance. Require confirmation by another test for positive results

Detailed Answer:
Hello,

I have gone through your query and here is my advise.

As you have done the EtG test after 7 days, so chances of being positive are very less.

EtG test usually detects alcohol consumption up to 3 to 4 days only.

Still, EtG test is not a definitive test as it may come positive for 100ng/mL if you used products containing alcohol like mouthwash, hand sanitizers etc in last 3 to 4 days.

So this test should be supported by another confirmatory test.

Let me know I can assist you further.

Regards,
Dr. Shyam Kale.

Above answer was peer-reviewed by : Dr. Arnab Banerjee

Follow up: Dr. Shyam B. Kale (3 hours later)

Thank you, XXXXXXX I would like a couple of more opinion on this question.

Answered by Dr. Shyam B. Kale (9 hours later)

Brief Answer:
please see detailed answer.

Detailed Answer:
Hello,

Thank you for reply.

Negative EtG test confirms about alcohol abstinence in last 3 to 4 days, but positive test may require additional confirmatory test as there is chance of false positive results as explained in previous answer.

I tried to answer about EtG test. Please let me know do you want any clarification about that.

Regards,
Dr. Shyam Kale.

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Above answer was peer-reviewed by : Dr. Kampana