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.

LOINCActiveObservation

LOINC Code 44461-2: American house dust mite Ab Immune diff Ql (S)

Name: LOINC Code 44461-2: American house dust mite Ab Immune diff Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:29.268Z

44461-2 is a LOINC code used to identify American house dust mite Ab Immune diff Ql (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 Ab. 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 Ab. 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: Observation
Method: Immune diffusion

What it does not mean

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

Key facts

American house dust mite Ab [Presence] in Serum by Immune diffusion (ID)
Dermatophagoides farinae Ab
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; American house dust mite; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; D farinae; d002; d2; Dermatophagoides farianae; HDM; House dust mite; ID; Imm; Immunodiff; Immunodiffusion; Imun; Imune; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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 Ab Immune diff Ql (S)American house dust mite Ab [Presence] in Serum by Immune diffusion (ID)D farinae Ab Ql IDDermatophagoides farinae AbALLERGYAmerican house dust mite antibodyPrThr

Frequently asked questions

Code details

Code44461-2

SystemLOINC

Display nameAmerican house dust mite Ab Immune diff Ql (S)

DescriptionDermatophagoides farinae Ab

Short nameD farinae Ab Ql ID

ComponentDermatophagoides farinae Ab

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodImmune diffusion

ClassALLERGY

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.56

Consumer names

American house dust mite antibody

Part names

Dermatophagoides farinae AbPrThrPtSerOrdImmune diffusionAmerican house dust mite AbPresence or ThresholdPoint in time (spot)SerumImmune diffusion (ID)

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.