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Dr. Abby
Dr. Abby, US Board Certified MD
Category: Medical
Satisfied Customers: 10330
Experience:  Family Physician practicing medicine for over 10 years, United States
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can a CBC w/auto differential or BMP be used to detect and/or

Customer Question

can a CBC w/auto differential or BMP be used to detect and/or quantify present substances(medications)? If so, is this a routine part of the test(s) or does it require specific testing? Same Question re: stool sample? Thank you
Submitted: 5 years ago.
Category: Medical
Expert:  Dr. Abby replied 5 years ago.

You would have to order specific testing. A routine CBC and BMP will not detect medication use.

Depending on the lab, different collection tubes are used for drug testing and therapeutic drug monitoring versus the collection tubes used for a routine CBC and BMP.

As for a stool sample, drug screens are not routinely run on them. Stool sample routine testing includes bacterial cultures, gram stains, testing for parasites and ova, bacterial toxin (c. diff toxin), white blood cells and red blood cells. Any other stool testing would have to be specifically ordered.

Feel free to ask any follow up questions you may have,

Dr Abby

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