Unique business identifiers assigned to this laboratory order by healthcare facilities, laboratory information systems, or electronic health record systems for tracking and reference purposes across multiple systems and organizations

Example: [{"@type":"ClinicalIdentifier","value":"LAB-ORD-2024-123456","clinicalSystem":"custom"}]

Reference to the patient for whom the laboratory tests are being ordered and from whom specimens will be collected

Reference to the healthcare encounter during which this laboratory order was created, linking the order to the specific clinical context and visit

Example: {"@type":"Encounter","identifier":[{"@type":"ClinicalIdentifier","value":"ENC-2024-789012"}]}

Current state of the laboratory order in its lifecycle from initial creation through completion or cancellation, tracking order progression through the diagnostic workflow

Values: draft, active, on-hold, revoked, completed, entered-in-error, unknown

Example: "active"

Indicates the level of authority and purpose of the order request, distinguishing between proposals, planned orders, and definitive instructions for laboratory test execution

Values: proposal, plan, directive, order, original-order, reflex-order, filler-order, instance-order

Example: "order"

Urgency level of the laboratory order that drives specimen processing priority, turnaround time expectations, and resource allocation in the laboratory workflow

Values: routine, urgent, asap, stat

Example: "routine"

Reference to the standardized laboratory test being ordered, specifying the exact diagnostic procedure to be performed with LOINC or other standard coding

Example: {"@type":"LabTest","code":"58410-2","system":"LOINC","label":"Complete blood count (CBC) panel - Blood by Automated count","shortName":"CBC","category":"hematology"}

Reference to the healthcare practitioner who authorized and placed the laboratory order, establishing clinical responsibility and providing contact for result reporting

Example: {"@type":"Practitioner","givenName":"Sarah","familyName":"Johnson","licenseNumber":"MD-CA-456789"}

Date and time when the laboratory order was originally created and authorized by the ordering practitioner, establishing the order timestamp for workflow tracking

Example: "2024-11-30T09:15:00Z"

Coded clinical reasons, diagnoses, or conditions that justify the laboratory test order, supporting appropriate utilization, insurance authorization, and quality measurement using standardized medical terminology

Example: [{"@type":"Coding","code":"25374005","system":"SNOMED-CT","display":"Gastroenteritis"}]

Free-text narrative description of the clinical indication for ordering the laboratory test, capturing specific symptoms, clinical concerns, or monitoring needs that may not be fully represented by coded values

Example: "Rule out bacterial infection - patient with persistent fever and elevated white blood cell count"

Specification of the biological specimen type and collection requirements for the ordered laboratory test, providing guidance for specimen collection, handling, and processing

Reference to the specific laboratory facility or organization designated to perform the ordered test, enabling proper order routing and result reporting

Example: {"@type":"Facility","name":"City General Hospital Clinical Laboratory"}

Additional instructions, special handling requirements, or clinical context information for laboratory staff performing the test, ensuring proper test execution and result interpretation

Example: "Patient is on anticoagulation therapy - handle specimen carefully"

Planned date and time when the specimen should be collected or the laboratory test should be performed, supporting workflow scheduling and patient preparation

Example: "2024-11-30T10:00:00Z"

Whether the laboratory order is currently active and awaiting completion - true when status is active, indicating the order is valid and pending execution or in progress

Whether the laboratory order has not yet been completed - true when status is not completed, revoked, or entered-in-error, indicating ongoing order lifecycle requiring action or monitoring