| Version 1.0.0 | Current Build | Difference | Notes | 
| CodeSystems | 
| Identifier Type | Identifier Type | Comparison | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | PDex Adjudication Codes | Added |  | 
|  | PDex Adjudication Discriminator | Added |  | 
|  | PDex Identifier Type | Added |  | 
|  | PDex Payer Adjudication Status | Added |  | 
|  | PDex Supporting Info Type | Added |  | 
|  | Prior Authorization Values | Added |  | 
| Provenance Roles | Provenance Roles | Comparison | 1 Breaking Change, 0 Changes, 4 Notes | 
| Provenance Payer Data Source Format | Provenance Payer Data Source Format | Comparison | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Healthcare Common Procedure Coding System (HCPCS) level II alphanumeric codes | Added |  | 
|  | Health Insurance Prospective Payment System (HIPPS) | Added |  | 
|  | X12 Claim Adjustment Reason Codes | Added |  | 
|  | X12 Remittance Advice Remark Codes | Added |  | 
| ValueSets | 
| FDA National Drug Code (NDC) | FDA National Drug Code (NDC) | Comparison | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | PDex Adjudication Category Discriminator | Added |  | 
|  | PDex Adjudication | Added |  | 
|  | Procedure Codes - AMA CPT - CMS HCPCS - CMS HIPPS | Added |  | 
|  | PDex Payer Benefit Payment Status | Added |  | 
|  | Prior Authorization Procedure Codes - AMA CPT - CMS HCPCS - CMS HIPPS | Added |  | 
|  | PDex SupportingInfo Type | Added |  | 
|  | Prior Authorization value categories | Added |  | 
| Provenance Agent Type | Provenance Agent Type | Comparison | 1 Breaking Change, 0 Changes, 16 Notes | 
| Payer source of data | Payer source of data | Comparison | 1 Breaking Change, 0 Changes, 2 Notes | 
|  | X12 278 Review Decision Reason Codes | Added |  | 
|  | X12 Claim Adjustment Reason Codes - Remittance Advice Remark Codes | Added |  | 
| StructureDefinitions | 
| SimpleQuantity | SimpleQuantity | Comparison | 0 Breaking Changes, 0 Changes, 0 Notes | 
| An attribute to express the refill number of a prescription | An attribute to express the refill number of a prescription | Comparison | 1 Breaking Change, 2 Changes, 3 Notes | 
|  | An attribute to express the amount of a service or item that has been utilized | Added |  | 
| An attribute to describe the data source a resource was constructed from | An attribute to describe the data source a resource was constructed from | Comparison | 1 Breaking Change, 2 Changes, 2 Notes | 
|  | LevelOfServiceCode | Added |  | 
|  | ReviewActionCode | Added |  | 
|  | ReviewAction | Added |  | 
| HRex Coverage Profile | HRex Coverage Profile | Comparison | 1 Breaking Change, 0 Changes, 2 Notes | 
| PDex Device | PDex Device | Comparison | 1 Breaking Change, 1 Change, 3 Notes | 
| PDex MedicationDispense | PDex MedicationDispense | Comparison | 1 Breaking Change, 0 Changes, 2 Notes | 
|  | PDex Prior Authorization | Added |  | 
| Provenance | Provenance | Comparison | 1 Breaking Change, 1 Change, 2 Notes | 
| CapabilityStatements | 
|  | PDEX Server CapabilityStatement | Added |  | 
|  | PdexServerCapabilityStatement1 | Added |  |