Practitioner.qualification 
The official certifications, training, and licenses that authorize or otherwise pertain to the provision of care by the practitioner. For example, a medical license issued by a medical board authorizing the practitioner to practice medicine within a certian locality.
= Must Support, = Is Modifier, = QiCore defined extension
| Field | Card. | Type | Description |
|---|---|---|---|
| identifier | 0..* | List<Identifier> | An identifier that applies to this person's qualification in this role. |
| code | 1..1 | Concept | Coded representation of the qualification. Binding: Specific qualification the practitioner has to provide a service. (example) |
| period | 0..1 | Interval<DateTime> | Period during which the qualification is valid. |
| issuer | 0..1 | QICoreOrganization | Organization that regulates and issues the qualification. |