Quick answer
Not on standard panels; requires a dedicated assay. Urine is typically positive for several hours to about a day. In District of Columbia, marijuana status is: Recreational + medical legal.
Detection windows in District of Columbia
| urine | |
|---|---|
| Any use | roughly 6–24 hours (specialised assay) |
| saliva | |
| Any use | limited data |
| hair | |
| Any use | detectable on specialised testing |
| blood | |
| Any use | hours |
Detection windows are the same nationwide; only state law and workplace policy differ. Ranges vary with dose, frequency and the assay.
Testing in District of Columbia
D.C. allows workplace drug testing and employers may act on positive results. Because there is no regulated retail market, possession is legal but purchase is not; a medical card does not provide blanket protection from testing.
D.C. does not broadly protect off-duty cannabis use in employment; federal and local employers may still enforce drug-free workplace policies and test.
About 2C-I
2C-I is a synthetic psychedelic of the phenethylamine family. It is not part of the standard 5-, 10- or 12-panel or DOT tests.
Detection requires a dedicated mass-spectrometry assay; routine workplace panels will miss it.
Detection windows for designer psychedelics are less standardised and are best confirmed with the laboratory.
Frequently asked questions
How long does 2c-i stay detectable in District of Columbia?
Detection windows do not vary by state — they depend on the substance, dose, frequency and specimen. See the table above for typical ranges.
Can an employer in District of Columbia test for 2c-i?
D.C. allows workplace drug testing and employers may act on positive results. Because there is no regulated retail market, possession is legal but purchase is not; a medical card does not provide blanket protection from testing.
Is marijuana legal in District of Columbia?
District of Columbia: Recreational + medical legal. Washington, D.C. legalized adult-use marijuana in 2014 via Initiative 71. Adults 21 and older may possess up to two ounces and grow up to six plants at home, but there is no regulated retail market. Employers may still enforce drug-free workplace policies and test employees.