LOINCActiveBoth

LOINC Code 97957-5: Anisakis IgG4 (S) [Mass/Vol]

97957-5 is a LOINC code used to identify Anisakis 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 Anisakis 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 Anisakis 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

  • Anisakis IgG4 Ab [Mass/volume] in Serum
  • Anisakis Ab.IgG4
  • ABS; Aby; Allergen; Allergens; Allergy; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cod worm; Level; Mass concentration; p4; 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

Anisakis IgG4 (S) [Mass/Vol]Anisakis IgG4 Ab [Mass/volume] in SerumAnisakis IgG4-mCncAnisakis Ab.IgG4ALLERGYAnisakis IgG4 antibodyMCnc

Frequently asked questions

Code details

Code97957-5
SystemLOINC
Display nameAnisakis IgG4 (S) [Mass/Vol]
DescriptionAnisakis Ab.IgG4
Short nameAnisakis IgG4-mCnc
ComponentAnisakis Ab.IgG4
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitsmg/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.70

Consumer names

Anisakis IgG4 antibody

Part names

Anisakis Ab.IgG4MCncPtSerQnMass 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 97957-5 | HealthAssure