@swamy_63747 , as
@reshma mentioned, the database of core code systems, (RXNorm, ICD-10, SNOMED, ) are available as a paid offering. Please reach out to us if you're interested in joining a paid tier.
> Is their any doc avalilabe to intiatly dump these codes into CodeSystem table?
The code system import function will allow uploading codes:
https://www.medplum.com/docs/api/fhir/operations/codesystem-import
However, please note that importing the full code systems will quickly exceed the usage limits allowed in the free tier