Chain of Custody Form Laboratory Testing – McKinney Specialty Labs
A chain of custody (COC) form is used to document the collection, handling, transfer, and receipt of samples submitted for laboratory analysis. A completed COC form must be included with all sample shipments to ensure proper identification, traceability, and data integrity throughout the testing process.
Download the Chain of Custody Form
Please complete a COC form and include a copy with your sample shipment. Contact us for a quote.
Below is a preview of the COC form. Click on it to download the PDF for printing.
Chain of Custody FAQs
What is a chain of custody form?
A chain of custody form documents the history of a sample from collection through laboratory receipt and analysis. It records who collected the sample, when it was collected, what testing is requested, and each transfer of custody.
Who initiates the chain of custody for items collected?
The chain of custody is typically initiated by the individual or organization collecting the sample. This information is recorded on the COC form at the time of collection and accompanies the sample throughout the testing process.
How do I fill out a chain of custody form?
Complete all applicable sections of the form, including sample identification, collection details, requested analyses, and contact information. Ensure the form is signed where required and included with your shipment to the laboratory.
What should be included with my sample shipment?
Each shipment should include a completed chain of custody form along with the samples being submitted. Incomplete or missing documentation may result in processing delays.