19,956 samples completed from 41 states. Last updated Tuesday, March 10, 2026.
814289
From Los Angeles, California on January 13, 2026
Assumed to be heroin, fentanyl
2 major substances detected:
- acetylcodeine
- heroin
And we also found traces of papaverine + 6-monoacetylmorphine (6-MAM). Trace substances in small quantities are usually harmless, but can sometimes cause health problems. Unexpected sensations may be due to these.
Looks = black, tar
Need free supplies and advice to keep you safe? Find your nearest harm reduction program at harmreduction.org
Major substances in graph:
Peak: 9.46 = acetylcodeine
Peak: 9.99 = heroin
Method(s): GCMS
Record for Sample 814289 last updated March 2, 2026