H.Resources (Claim / ClaimResponse / ExplanationOfBenefits). I.HTML Page Names (https://www.hl7.org/fhir/claim.html
https://www.hl7.org/fhir/claimresponse.html

https://www.hl7.org/fhir/explanationofbenefit.html). A DRG is any of the payment categories that are used to classify patients and especially Medicare patients for the purpose of reimbursing hospitals for each case in a given category with a fixed fee regardless of the actual costs incurred. It is used on all inpatient facility claims.

Existing Wording:

The IG defines the Diagnosis Related Group (DRG) as supporting.info

Proposed Wording:

Define the Diagnosis Related Group (DRG) as a backbone element