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  • Appendix D: Analysis of the HL7 Patient Care Domain Analysis Model
  

This domain analysis model for allergy records was developed by the HL7 Patient Care Work Group and has been used to inform the allergy/intolerance modeling in the C-CDA® and FHIR® specifications.

http://www.hl7.org/implement/standards/product_brief.cfm?product_id=308

Figure 7: Patient Care Domain Analysis Model

 

Selected attribute definitions

Attribute name

Datatype

Definition

Adverse reaction

severity

Coded

Assessment of the severity of the reaction

didNotOccurFlag

Boolean

Indicates a reaction did not occur at contact with substance

OccurrenceDate

DateTime

Time stamp for manifestation of the reaction

Health condition

status

Coded

Current status of the concern

Adverse sensitivity to substance

criticality

Coded

Clinical judgement regarding potential seriousness of a future reaction.

sensitivityType

Coded

Allergy; intolerance

createdDate

Date Time

Date time the entry was created

Substance

identifier

Coded

Coded reference to the substance involved in the reaction

name

String

Name of the substance

Exposure

exposureDate

Date Time

Date time when the exposure occurred; may be approximated

exposureType

Coded

How the exposure occurred, eg vaccination, prescription, administration, accidental

Manifestation

severity

Coded

Severity of the manifestation of the reaction

reactionType

Coded

Clinical finding characterizing the reaction, eg code for rash or hives

Sensitivity test

identifier

Identifier

Identifier pointing to results of the sensitivity test

name

String

Name of the test


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