Extension creation and registration

We are just starting to use the HL7 Adverse Events standard and have already identified that we need to use Extensions for the additional data we wish to use. We understand that to use the extended standard with our external community, we will need to register the extensions before we can use with our instance. How long does it take to register a new extension for public usage? Is it quicker to register for private usage first? Is that possible?

See answer here: https://chat.fhir.org/#narrow/stream/179166-implementers/topic/Extension.20Registration

(In general, it’s best to not raise the question in multiple places simultaneously. Give the community a chance to respond in one place first and only raise elsewhere if you’re not getting an answer.)

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