In the previous version of US Core both the AMA CPT codes and SNOMED codes were included

http://hl7.org/fhir/us/core/2019Jan/ValueSet-us-core-encounter-type.html

US Core Encounter Type

The type of encounter: a specific code indicating type of service provided, from SNOMED CT and CPT

Copyright Statement: This value set includes content from SNOMED CT, which is copyright © 2002+ International Health Terminology Standards Development Organisation (IHTSDO), and distributed by agreement between IHTSDO and HL7. Implementer use of SNOMED CT is not covered by this agreement. CPT copyright 2014 American Medical Association. All rights reserved.

*This value set includes codes from SNOMED CT decending from 308335008 patient encounter procedure (procedure) *and codes from the Current Procedure and Terminology designated for Evaluation and Management (99200 - 99607) (subscription to AMA Required). Code systems included:

• http://snomed.info/sct *

http://www.ama-assn.org/go/cpt

Expansion

No Expansion for this valueset (not supported by Publication Tooling)