LOINCActiveBoth

LOINC Code 56305-6: Lenscale IgG4 (S) [Mass/Vol]

56305-6 is a LOINC code used to identify Lenscale 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 Atriplex lentiformis 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 Atriplex lentiformis 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

  • Lenscale IgG4 Ab [Mass/volume] in Serum
  • Atriplex lentiformis Ab.IgG4
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Lenscale; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Scale; Serum; SR; w015; w15

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

Lenscale IgG4 (S) [Mass/Vol]Lenscale IgG4 Ab [Mass/volume] in SerumLenscale IgG4-mCncAtriplex lentiformis Ab.IgG4ALLERGYLenscale IgG4 antibodyMCnc

Frequently asked questions

Code details

Code56305-6
SystemLOINC
Display nameLenscale IgG4 (S) [Mass/Vol]
DescriptionAtriplex lentiformis Ab.IgG4
Short nameLenscale IgG4-mCnc
ComponentAtriplex lentiformis 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

Lenscale IgG4 antibody

Part names

Atriplex lentiformis Ab.IgG4MCncPtSerQnLenscale (Atriplex lentiformis) 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 56305-6 | HealthAssure