The Body Structure resource contains details about the anatomical location of a specimen or body part, including patient information, identifiers, as well as text descriptions and images. It provides for the addition of qualifiers such as laterality and directionality to the anatomic location for those use cases where pre-coordination of codes is not possible. The Body Structure resource supports recording and tracking of an anatomic location or structure on a patient outside the context of another resource. For example it can be the target of a Procedure resource or Observation resource.
The Body Structure resource is not intended to substitute for pre-coordination of codes. If pre-coordination of codes is supported by implementation the codeable Concept should be used. This resource is not intended for describing the type of anatomical location but rather a specific body site on a specific patient.
Fast Healthcare Interoperability Resources (FHIR) is a draft standard describing data formats and elements (known as “resources”) and an application programming interface (API) for exchanging electronic health records. The standard was created by the Health Level Seven International (HL7) health-care standards organization.
Its goal is to facilitate interoperation between legacy healthcare systems, to make it easy to provide healthcare information to healthcare providers and individuals on a wide variety of devices from computers to tablets to cell phones, and to allow third-party application developers to provide medical applications which can be easily integrated into existing systems.
FHIR provides an alternative to document-centric approaches by directly exposing discrete data elements as services. For example, basic elements of healthcare like patients, admissions, diagnostic reports and medications can each be retrieved and manipulated via their own resource URLs (Uniform Resource Locators). FHIR was supported at an American Medical Informatics Association meeting by many EHR (Electronic Health Record) vendors which value its open and extensible nature.