A Primer on the HIPAA Eligibility Transaction System

As posted on HealthData Management


The HIPAA Eligibility Transaction System, or HETS, was introduced by the Centers for Medicare and Medicaid Services in 2005 to support real-time Medicare eligibility inquiries using the HIPAA ANSI 270 (eligibility request) and ANSI 271 (eligibility response) transactions. Recent announcements by CMS have centered attention on this process since it will soon be the only method of obtaining this information for Medicare patients.

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