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Sample Exchange Registry for Alternative Assessment

Alternative Assessment

The Sample Exchange Registry is an Internet-based service designed to connect laboratories performing testing where no formal proficiency testing (PT) is available. Laboratories can participate in the registry service at any time.

When at least three laboratories are identified as testing for the same analyte, the CAP will facilitate the sample exchange. The laboratories will test the samples and send their results to the CAP. The data will be made anonymous, and each individual laboratory will receive its own results along with an anonymous summary report of all the participants.

Laboratories must have a CAP number to participate in the Sample Exchange Registry -- a free service offered to participants when a CAP survey is not offered. To obtain a CAP number, complete only the first three demographic pages of this form and send to cdm@cap.org or call the customer contact center at 1-800-323-4040.

For all Toxicology submissions, sample exchange will not be facilitated by the CAP. However, a blank result form for reporting Toxicology results is available for laboratories that want to participate in a self exchange. When a toxicology exchange is submitted, permission is granted to share laboratory contact information with other requesting laboratories. A CAP number is not necessary for Toxicology self-exchange participants.

Complete the contact information form for alternative assessment.

Frequently Asked Questions (FAQ)

Learn more about the program and how to participate

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