LOINCActive

LOINC Code 11359-7: History of Allergenic and Immunologic disorders

11359-7 is a LOINC code used to identify History of Allergenic and Immunologic disorders 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 Symptoms & diseases. It is commonly used with the system or sample type Allergic & Immunologic.

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 Symptoms & diseases. It is commonly used with the system or sample type Allergic & Immunologic.

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

What it does not mean

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

Key facts

  • History of Allergenic and Immunologic disorders
  • Symptoms & diseases
  • Allergy+Immunologic; H+P; H+P.HX; History; Immunol; Nominal; P prime; Point in time; Random; Sx; Symp + dis

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

History of Allergenic and Immunologic disordersHx of Allergy+Immunologic disordersSymptoms & diseasesH&P.HXHxPtAllergic & immunologic

Frequently asked questions

Code details

Code11359-7
SystemLOINC
Display nameHistory of Allergenic and Immunologic disorders
DescriptionSymptoms & diseases
Short nameHx of Allergy+Immunologic disorders
ComponentSymptoms & diseases
PropertyHx
TimingPt
System (specimen)Allergic & Immunologic
ScaleNom
ClassH&P.HX
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.56

Part names

Symptoms & diseasesHxPtAllergic & immunologicNomSymptoms and diseasesHistoryPoint in time (spot)Allergenic and Immunologic

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.