Allergy

Represents allergy, intolerance and adverse reactions recorded in source systems.

Table 1. Allergy
Database Field Name Field Description Sensitive Field Identifiable Field Field Type Field Length Optionality
category Used to distinguish between drug and non-drug allergies Yes No String min n6 max n18 M
criticality Criticality reaction Yes No String min n6 max n18 O
ctv3_code The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
deletion_flag Flag specifying that the source record entry has been deleted and receiving systems should logically delete the corresponding record Yes No Boolean min an4 max an5 O
effective_date The user modifiable most clinically significant date for the record entry Yes No Timestamp min an4 max an23 O
encounter_id The encounter within which the source record entry was made or pertains to Yes No String an36 O
end_date Provides any explicit end date associated with the source record entry Yes No Timestamp min an4 max an23 O
id Persistent record identifier for resource Yes No String an36 M
other_code The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
other_code_system The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
other_display The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
other_expession The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
patient_id_deid NHS number DE-IDENTIFIED Yes No String an200 O
practitioner_id The clinical attribution of the record entry Yes No String an36 M
reaction_ctv3_code The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_other_code The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_other_code_system The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_other_display The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_other_expession The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_readv2_code The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_rubric The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_snomed_concept_id The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_snomed_description_id The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_snomed_expression The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
reaction_user_selected The reaction associated with the allergy (See codeable concept) Yes No See codable concept See codable concept See codable concept
readv2_code The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
recorded_date The source system audit trail timestamp of when the source record was created, amended or deleted Yes No Timestamp min an4 max an23 M
registration_id The unique supplier generated persistent technical key for the registration Yes No String an36 M
rubric The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
severity Severity of reaction Yes No String min n6 max n18 O
snomed_concept_id The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
snomed_description_id The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
snomed_expression The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept
status The status of the allergy or intolerance - used to distinguish between active or resolved allergies Yes No String min n6 max n18 M
template_id Links the resource to a template header Yes No String an36 O
type Used to distinguish between allergy and intolerance Yes No String min n6 max n18 O
user_selected The allergy (See codable concept) Yes No See codable concept See codable concept See codable concept