LOINCActiveObservation

LOINC Code 82606-5: Allergy or intolerance criticality

82606-5 is a LOINC code used to identify Allergy or intolerance criticality in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Allergy or intolerance criticality. It is commonly used with the system or sample type ^Patient.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Allergy or intolerance criticality. It is commonly used with the system or sample type ^Patient.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

Allergy or intolerance criticality
A clinical judgment as to the worst case for the severity of a future reaction. 'High criticality' is flagged if the clinician has identified a propensity for a more serious or potentially life-threatening reaction, such as anaphylaxis, and implies an absolute contraindication to deliberate or voluntary exposure to the substance. This term was created for, but not limited in use to, the Allergy Intolerance Criticality observation used in the HL7 CDA® R2 IGC-CDA Templates for Clinical Notes DSTU Release 2.1 - US Realm.
Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; VACCINE

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Allergy or intolerance criticalityVACCINImpPt^PatientOrdImpression/interpretation of study

Frequently asked questions

Code details

Code82606-5
SystemLOINC
Display nameAllergy or intolerance criticality
Short nameAllergy or intolerance criticality
ComponentAllergy or intolerance criticality
PropertyImp
TimingPt
System (specimen)^Patient
ScaleOrd
ClassVACCIN
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.58

Part names

Allergy or intolerance criticalityImpPt^PatientOrdImpression/interpretation of studyPoint in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 82606-5 | HealthAssure