Cocaine

Sample type:

urine, saliva, blood, hair, or sweat.

Uses:

He or she suspects you are abusing cocaine.

You are in the emergency room with symptoms that suggest drug abuse.

You are a patient at a drug treatment clinic.

Interfering factors:

some drugs can cause false-positive such as Dextromethorphan, Diltiazem, Diphenhydramine, Metformin, Pseudoephedrine , Labetalol, and Antidepressants.

Pre analytical errors

Misidentification of the patient.

Improper Specimen mixing.

Corrective action

Right identification for the patient

Proper Specimen mixing.

Post analytical errors.

Not releasing test results in a timely manner to appropriate individuals.

Correvtive action.

releasing test results in a timely manner to appropriate individuals.

Reference range

Negative .