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 64979-8: Blomia tropicalis recombinant (rBlo t) 5 IgE Qn (S)

Name: LOINC Code 64979-8: Blomia tropicalis recombinant (rBlo t) 5 IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:44.550Z

64979-8 is a LOINC code used to identify Blomia tropicalis recombinant (rBlo t) 5 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 Blomia tropicalis recombinant (rBlo t) 5 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 Blomia tropicalis recombinant (rBlo t) 5 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

Blomia tropicalis recombinant (rBlo t) 5 IgE Ab [Units/volume] in Serum
Blomia tropicalis recombinant (rBlo t) 5 Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B tropicalis; B tropicalis (rBlo t) 5; d201; HDM; House dust mite; Immune globulin E; Immunoglobulin E; Mite; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; T prime

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

Blomia tropicalis recombinant (rBlo t) 5 IgE Qn (S)Blomia tropicalis recombinant (rBlo t) 5 IgE Ab [Units/volume] in SerumB tropicalis (rBlo t) 5 IgE QnBlomia tropicalis recombinant (rBlo t) 5 Ab.IgEALLERGYBlomia tropicalis recombinant (rBlo t) 5 allergy testACnc

Frequently asked questions

Code details

Code64979-8

SystemLOINC

Display nameBlomia tropicalis recombinant (rBlo t) 5 IgE Qn (S)

DescriptionBlomia tropicalis recombinant (rBlo t) 5 Ab.IgE

Short nameB tropicalis (rBlo t) 5 IgE Qn

ComponentBlomia tropicalis recombinant (rBlo t) 5 Ab.IgE

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitsIU/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.70

Consumer names

Blomia tropicalis recombinant (rBlo t) 5 allergy test

Part names

Blomia tropicalis recombinant (rBlo t) 5 Ab.IgEACncPtSerQnBlomia tropicalis recombinant (rBlo t) 5 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.