A member asked:

Took 4 etg dip test at 300 cutoff...all negative. 1 hour later took ua...sent to lab came back presumptive positive at 500 cut off how can this be. ho?

A doctor has provided 1 answer

Different methods: The dip test and the laboratory test may use different methods and could give different results. Laboratory tests are generally better standardized.

Answered 8/12/2017

585 views

Thank

Related Questions

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more