iQIES
iQIES, the Internet Quality Improvement and Evaluation System, is the CMS platform through which home health agencies submit OASIS assessment data and access validation and quality reports. Home health agencies moved to iQIES in January 2020, replacing the legacy QIES and CASPER infrastructure, and the system also supports survey and certification functions used by CMS and state agencies.
Definition
iQIES, the Internet Quality Improvement and Evaluation System, is the CMS platform through which home health agencies submit OASIS assessment data and access validation and quality reports. Home health agencies moved to iQIES in January 2020, replacing the legacy QIES and CASPER infrastructure, and the system also supports survey and certification functions used by CMS and state agencies.
Why it matters
iQIES is part of the Compliance & Survey vocabulary used across home health operations, documentation, and revenue cycle. Understanding it helps clinicians, QA leads, and administrators stay aligned on care quality and compliance.
What Should I Document? 100 OASIS Situations Home Health Nurses Face Every Day
100 real OASIS scenarios, worked end to end — clinical situation, common mistake, better approach, and key takeaway. Built around OASIS-E2 (effective April 1, 2026) to turn what you assess into accurate, defensible documentation.
Related terms
Listen While You Read
Conversations on compliance & survey
Episodes from Inside Home Health that put iQIES in operational context.
