Requires health carriers to establish and maintain a patient access application programming interface (API), provider directory API, provider access API, payer-to-payer API, and prior authorization API in accordance with CMS interoperability standards for these APIs by the compliance date(s) set by CMS for these APIs. Certain exceptions and extensions may apply.

Prohibits a health care provider requesting medical laboratory tests for a patient from engaging in information blocking (as defined by federal law), including a requirement that the following reports or test results in the patient’s electronic health record must be disclosed within 72 hours or when the provider directs the release (whichever occurs first): reports or test results that may show a finding of malignancy, could reveal genetic markers, a positive HIV test, or hepatitis infection