LOINCActiveBoth

LOINC Code 26425-9: Lactalbumin alpha IgG4 Qn (S)

26425-9 is a LOINC code used to identify Lactalbumin alpha IgG4 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 Lactalbumin alpha Ab.IgG4. 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 Lactalbumin alpha Ab.IgG4. 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

  • Lactalbumin alpha IgG4 Ab [Units/volume] in Serum
  • Lactalbumin alpha Ab.IgG4
  • a163; ABS; Aby; A-Lactalb; Alfa; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; f076; f76; nBos d 4; 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

Lactalbumin alpha IgG4 Qn (S)Lactalbumin alpha IgG4 Ab [Units/volume] in SerumA-Lactalb IgG4 QnLactalbumin alpha Ab.IgG4ALLERGYLactalbumin alpha IgG4 antibodyACnc

Frequently asked questions

Code details

Code26425-9
SystemLOINC
Display nameLactalbumin alpha IgG4 Qn (S)
DescriptionLactalbumin alpha Ab.IgG4
Short nameA-Lactalb IgG4 Qn
ComponentLactalbumin alpha Ab.IgG4
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

Lactalbumin alpha IgG4 antibody

Part names

Lactalbumin alpha Ab.IgG4ACncPtSerQnLactalbumin alpha IgG4Arbitrary 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 26425-9 | HealthAssure