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does marijuana show up on a routine blood test

A female asked:
Dr. Laurence Badgley
53 years experience General Practice
Maybe: As to whether it "is safe" to smoke cannabis prior to a medical evaluation blood test it would not be expected for the test values to be significantly ... Read More
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Dr. Anthony Vertino
23 years experience Clinical Psychology
You'll have some: explaining to do. If you have a medical card and script for marijuana, then you'll have to show all the blood testers that information before hand so ... Read More

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A member asked:
Dr. Rex Mahnensmith
A Verified Doctor answered
A US doctor answered Learn more
THC: No. It can be measured only by special request
Dr. Melissa Gowans
21 years experience Pediatrics
Routine?: If the blood test is a test for drugs and drugs have been used then yes it would show up. A high level suggests recent use but low levels can linger f ... Read More
A member asked:
Dr. Lynne Weixel
36 years experience Clinical Psychology
"Soon" 's unspecific: Depends on when the test is. It might if the test is very soon. The range is wide - strength of the weed, your body, etc The word is 5 - 18 days until ... Read More
Dr. Rex Mahnensmith
A Verified Doctor answered
A US doctor answered Learn more
Marijuana: Marijuana testing requires an order. It does not show in routine blood test panels. It will show in "drug screen" panels that employers require.
A 63-year-old female asked:
Dr. Randy Baker
40 years experience Holistic Medicine
Not routine: One can detect evidence of marijuana use in blood tests for 24-48 hours after smoking in chronic users, but your doctor would have to specifically ord ... Read More
A 22-year-old female asked:
Dr. Robert Killian
28 years experience General Practice
Misinformed?: Cancer is not one monolithic entity. The are hundreds of forms of cancers. Every organ gas a variety of possible cancers as do the various blood cells ... Read More
A member asked:
Dr. Lynne Weixel
36 years experience Clinical Psychology
"Soon" 's unspecific: Depends on how much - how often in the past and when the test is. It might if the answers are one way and not if the other. Also depends on who they a ... Read More
A male asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Only: if you receive a screen for illicit drugs. The MDMA could show up like an amphetamine. I don't know your age.
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1 thank
A 26-year-old female asked:
Dr. Paxton Daniel
39 years experience Radiology
Assessment: Of how well the thyroid works is done with specific blood tests (thyroid function tests). These have to be specifically ordered by your doctor.
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1 thank
A 31-year-old member asked:
Dr. M. Jan
Dr. M. Jan answered
66 years experience Family Medicine
Yes: Also in urine.
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1 thank
A 21-year-old female asked:
Dr. Robert Killian
28 years experience General Practice
Drug Testing : Nope. Drug testing has to be specifically ordered and ordered to include the range of drugs one is suspicious of.
1
1 thank

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