LOINC Codes Access


Quest Diagnostics now provides clients with direct access to Logical Observation Identifiers Names and Codes (LOINC®) on QuestDiagnostics.com. The availability of these codes is in accordance with Meaningful Use Stage 2 requirements that require LOINC codes with test results.

This new functionality makes securing LOINC codes more efficient and faster. To access LOINC codes, visit the Test Center, locate the appropriate test and click the Ordering Information tab and select your laboratory. The LOINC information will appear toward the bottom of the test ordering information.

Please note that LOINC codes are laboratory-specific and applicable to all lab results. Additionally, matching Quest Diagnostics result codes and LOINC codes will be available along with Quest Diagnostics test result names and LOINC component names.

To ensure accuracy, Quest Diagnostics will review and update LOINC codes on a daily basis.

If you have additional questions about LOINC codes, please call the Quest Diagnostics Connectivity Help Desk at (800) 697-9302.