5. Coverage Related
The following are frequently asked questions about the DEX™ Diagnostics Exchange Registry and Z-Code™ Program.
After DEX assigns a Z-Code for a specific test, a technical assessment is performed. Coverage is usually determined at the completion of the assessment. The Z-Code becomes effective and can be submitted on claims when that process is complete, and the test is assigned a recommended CPT® code and coverage decision based on applicable policies. For tests that do not require additional documentation, this is complete in approximately 3-4 weeks.
The DEX Registry is updated once per month with a recommended CPT® code and coverage decision, at which time you will be notified by email.
DEX Customer Service is not able to address claims related questions. Please contact your payer directly for assistance.
5. Coverage Related Articles
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