LOINCActiveBoth

LOINC Code 97962-5: Grey Alder IgG4 (S) [Mass/Vol]

97962-5 is a LOINC code used to identify Grey Alder 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 Alnus incana 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 Alnus incana 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

  • Grey Alder IgG4 Ab [Mass/volume] in Serum
  • Alnus incana Ab.IgG4
  • ABS; Aby; Allergen; Allergens; Allergy; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; European alder; Gray alder; Grey alder; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; Speckled alder; SR; t2

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

Grey Alder IgG4 (S) [Mass/Vol]Grey Alder IgG4 Ab [Mass/volume] in SerumGrey Alder IgG4-mCncAlnus incana Ab.IgG4ALLERGYGrey alder IgG4 antibodyMCnc

Frequently asked questions

Code details

Code97962-5
SystemLOINC
Display nameGrey Alder IgG4 (S) [Mass/Vol]
DescriptionAlnus incana Ab.IgG4
Short nameGrey Alder IgG4-mCnc
ComponentAlnus incana 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

Grey alder IgG4 antibody

Part names

Alnus incana 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 97962-5 | HealthAssure