LOINCActiveBoth

LOINC Code 25455-7: Lactoglobulin IgA Qn (S)

25455-7 is a LOINC code used to identify Lactoglobulin IgA 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 Lactoglobulin Ab.IgA. 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 Lactoglobulin Ab.IgA. 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

  • Lactoglobulin IgA Ab [Units/volume] in Serum
  • Lactoglobulin Ab.IgA
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin A; Immunoglobulin A; 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

Lactoglobulin IgA Qn (S)Lactoglobulin IgA Ab [Units/volume] in SerumLactoglob IgA QnLactoglobulin Ab.IgAALLERGYLactoglobulin IgA antibodyACnc

Frequently asked questions

Code details

Code25455-7
SystemLOINC
Display nameLactoglobulin IgA Qn (S)
DescriptionLactoglobulin Ab.IgA
Short nameLactoglob IgA Qn
ComponentLactoglobulin Ab.IgA
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.69

Consumer names

Lactoglobulin IgA antibody

Part names

Lactoglobulin Ab.IgAACncPtSerQnLactoglobulin IgAArbitrary 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.

LOINC Code 25455-7 | HealthAssure