This case-sensitive code system http://hl7.org/fhir/us/ecr/CodeSystem/us-ph-plandefinition-actions defines the following codes in a Is-A heirarchy:

Lvl	Code	Display	Definition
1	initiate-reporting-workflow	Initiate a reporting workflow	Request the initiation of a reporting workflow for a patient for a specific context (e.g., encounter).
1	execute-reporting-workflow	Execute a series of actions to accomplish reporting	This is top level action that uses other defined actions to accomplish reporting for a specific context (e.g., encounter).
2	check-trigger-codes	Evaluate candidate patient's data against trigger codes to determine reportability	Evaluate candidate patient's data against trigger codes to determine reportability.
2	evaluate-condition	Evaluate condition to determine reportability	Evaluate condition to determine reportability.
2	check-participant-registration	Evaluate participants in encounter for reportability	Evaluate encounter participants such as patient, practitioner, organization on whether they have been selected for reportability.
2	create-report	Create a Report containing Patient's data for patients who passed the check-reportability test	Create a Report containing Patient's data for patients who passed the check-reportability test.
2	validate-report	Validate Report against specified profiles and terminologies.	Validate Report against specified profiles and terminologies.
2	submit-report	Submit the report to specified endpoint	Submit the report to specified endpoint.
2	deidentify-report	Deidentify the report before submitting the report	Deidentify the report before submitting the report.
2	anonymize-report	Anonymize the report before submitting the report	Anonymize the report before submitting the report.
2	pseudonymize-report	Pseudonymize the report before submitting the report	Pseudonymize the report before submitting the report.
2	encrypt-report	Encrypt the report before submitting the report	Encrypt the report before submitting the report.
2	complete-reporting	Complete reporting for the patient	Complete the reporting for the patient, after which no further reports will be sent for a specific context (e.g., Encounter).
2	extract-research-data	Extract data from an EHR for one or more patients.	Extract data from an EHR for one or more patients for research purposes.
2	execute-research-query	Execute a research query on the data mart.	Execute a research query on the data mart based on the PlanDefinition and create a result to be submitted.
1	terminate-reporting-workflow	Terminate a reporting workflow	Request the initiation of terminating a reporting workflow.
2	cancel-report	Cancel an already submitted report	Cancel an already submitted report.
1	report-chronic-disease-surveillance	Report Chronic Disease Surveillance	This action represents the reporting of a Chronic Disease Surveillance report.