What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 78374-6: American house dust mite native (nDer f) 2 IgE Qn (S)

Name: LOINC Code 78374-6: American house dust mite native (nDer f) 2 IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:58.756Z

78374-6 is a LOINC code used to identify American house dust mite native (nDer f) 2 IgE Qn (S) 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 Dermatophagoides farinae native (nDer f) 2 Ab.IgE. It is commonly used with the system or sample type Ser.

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 Dermatophagoides farinae native (nDer f) 2 Ab.IgE. It is commonly used with the system or sample type Ser.

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: Both

What it does not mean

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

Key facts

American house dust mite native (nDer f) 2 IgE Ab [Units/volume] in Serum
Dermatophagoides farinae native (nDer f) 2 Ab.IgE
a302; ABS; Aby; Allergen; Allergens; ALLERGY TESTING; American house dust mite; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; D farinae; D farinae (nDer f) 2; d002; d2; Dermatophagoides farianae; HDM; House dust mite; II; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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

American house dust mite native (nDer f) 2 IgE Qn (S)American house dust mite native (nDer f) 2 IgE Ab [Units/volume] in SerumD farinae (nDer f) 2 IgE QnDermatophagoides farinae native (nDer f) 2 Ab.IgEALLERGYAmerican house dust mite native (nDer f) 2 allergy testACnc

Frequently asked questions

Code details

Code78374-6

SystemLOINC

Display nameAmerican house dust mite native (nDer f) 2 IgE Qn (S)

DescriptionDermatophagoides farinae native (nDer f) 2 Ab.IgE

Short nameD farinae (nDer f) 2 IgE Qn

ComponentDermatophagoides farinae native (nDer f) 2 Ab.IgE

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitskIU/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.54

Consumer names

American house dust mite native (nDer f) 2 allergy test

Part names

Dermatophagoides farinae native (nDer f) 2 Ab.IgEACncPtSerQnAmerican house dust mite (Dermatophagoides farinae) native (nDer f) 2 IgEArbitrary ConcentrationPoint in time (spot)Serum

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.