LOINCActiveBoth

LOINC Code 56231-4: Corn IgG4 (S) [Mass/Vol]

56231-4 is a LOINC code used to identify Corn IgG4 (S) [Mass/Vol] 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 Zea mays 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 Zea mays 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

  • Corn IgG4 Ab [Mass/volume] in Serum
  • Zea mays Ab.IgG4
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Corn; f008; f141; f8; Level; Maize; Mass concentration; 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

Corn IgG4 (S) [Mass/Vol]Corn IgG4 Ab [Mass/volume] in SerumCorn IgG4-mCncZea mays Ab.IgG4ALLERGYCorn IgG4 antibodyMCnc

Frequently asked questions

Code details

Code56231-4
SystemLOINC
Display nameCorn IgG4 (S) [Mass/Vol]
DescriptionZea mays Ab.IgG4
Short nameCorn IgG4-mCnc
ComponentZea mays Ab.IgG4
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.73

Consumer names

Corn IgG4 antibody

Part names

Zea mays Ab.IgG4MCncPtSerQnCorn (Zea mays) IgG4Mass 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 56231-4 | HealthAssure