Case Report

Delirium and High Creatine Kinase and Myoglobin Levels Related to Synthetic Cannabinoid Withdrawal

Table 1

(a) Urine drug tests and cut-off levels

Urine drug testsCut-off levels

Delta-9-tetrahydrocannabinol (THC)50 ng/mL
Cocaine300 ng/mL
Amphetamine500 ng/mL
3,4-Methylenedioxymethamphetamine (MDMA)500 ng/mL
Ethyl glucuronide (ETG)500 ng/mL
Benzodiazepine300 ng/mL
6-Acetyl morphine10 ng/mL
Opiate300 ng/mL
JWH-18(synthetic cannabinoid-SC-1)20 ng/mL
JWH-073(SC-1)20 ng/mL
AM-2201(SC-1)20 ng/mL
UR-144(SC-2)10 ng/mL
XLR-11-N-4 derivatives(SC-2)10 ng/mL
Barbiturates300 ng/mL
Buprenorphine5 ng/mL

(b) Normal ranges of biochemical parameters

Myoglobin (MB)0–154,9 ng/mL
Serum creatine kinase (CK)30–200 U/L
Serum creatine kinase MB (CK-MB)0–25 U/L
Serum aspartate transaminase0–34 ng/mL