The EligibilityRequest provides patient and insurance coverage information to an insurer for them to respond, in the form of an EligibilityResponse, with information regarding whether the stated coverage is valid and in-force and optionally to provide the insurance details of the policy. The EligibilityRequest provides patient and insurance coverage information to an insurer for them to respond, in the form of an EligibilityResponse, with information regarding whether the stated coverage is valid and in-force and optionally to provide the insurance details of the policy. If the element is present, it must have either a @value, an @id, or extensions The Response business identifier. The status of the resource instance. Immediate (STAT), best effort (NORMAL), deferred (DEFER). Patient Resource. The date or dates when the enclosed suite of services were performed or completed. The date when this resource was created. Person who created the invoice/claim/pre-determination or pre-authorization. The practitioner who is responsible for the services rendered to the patient. The organization which is responsible for the services rendered to the patient. The Insurer who is target of the request. Facility where the services were provided. Financial instrument by which payment information for health care. The contract number of a business agreement which describes the terms and conditions. Dental, Vision, Medical, Pharmacy, Rehab etc. Dental: basic, major, ortho; Vision exam, glasses, contacts; etc.