Table
| Substance | 0..* | |
| Substance.id | id | 0..1 |
| Substance.meta | Meta | 0..1 |
| Substance.implicitRules | uri | 0..1 |
| Substance.language | code | 0..1 |
| Substance.text | Narrative | 0..1 |
| Substance.contained | Resource | 0..* |
| Substance.extension | Extension | 0..* |
| Substance.modifierExtension | Extension | 0..* |
| Substance.identifier | Identifier | 0..* |
| Substance.status | code | 0..1 |
| Substance.category | CodeableConcept | 0..* |
| Substance.code | CodeableConcept | 1..1 |
| Substance.description | string | 0..1 |
| Substance.instance | BackboneElement | 0..1 |
| Substance.instance.id | string | 0..1 |
| Substance.instance.extension | Extension | 0..* |
| Substance.instance.modifierExtension | Extension | 0..* |
| Substance.instance.identifier | Identifier | 0..1 |
| Substance.instance.expiry | dateTime | 0..1 |
| Substance.instance.quantity | SimpleQuantity | 0..1 |
| Substance.ingredient | BackboneElement | 0..* |
| Substance.ingredient.id | string | 0..1 |
| Substance.ingredient.extension | Extension | 0..* |
| Substance.ingredient.modifierExtension | Extension | 0..* |
| Substance.ingredient.quantity | Ratio | 0..1 |
| Substance.ingredient.substance[x] | CodeableConcept | Reference(Substance) | 1..1 |