This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times). 
See the Directory of published versions 
| Biomedical Research and Regulation  Work Group | Maturity Level: 2 | Trial Use | Compartments: No defined compartments | 
Dependency Graph for Substance FMM level 2
| Name | Card. | Type | Dependency Analysis | 
|---|---|---|---|
|   Substance | DomainResource | ||
|    identifier | 0..* | Identifier | |
|    status | 0..1 | code | |
|    category | 0..* | CodeableConcept | |
|    code | 1..1 | CodeableReference | Type Error: (CodeableReference = FMM5-Draft vs. Element = FMM2-Trial Use) | 
|    description | 0..1 | markdown | |
|    expiry | 0..1 | dateTime | |
|    quantity | 0..1 | SimpleQuantity |