Comprehensive Lab Services, LLC. offers information sheets related to Urine Drug Testing that is performed.


CLS Validity Testing (Click To View)

Comprehensive Labs conducts validity testing on all samples received at our facility. This document helps to explain how we conduct this testing and how to interpret the results found on the patient results.

Metabolism and Detection Window (Click To View)

This document serves as a helpful tool for determining how long medications can stay in a patient’s system. Also included is a breakdown of how each drug is metabolized and excreted into urine. It can also be used to help interpret patient results.

Interactive Requisition Form (Click To View)

This pdf document is our Requisition Form. This is where you can select which testing services you would like to use. Simply fill it out, physically sign or use a digital signature, print and send it with the sample to our lab!