LOINCActiveBoth

LOINC Code 56350-2: Peach IgG4 (S) [Mass/Vol]

56350-2 is a LOINC code used to identify Peach 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 Prunus persica 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 Prunus persica 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

  • Peach IgG4 Ab [Mass/volume] in Serum
  • Prunus persica Ab.IgG4
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; f095; f95; Level; Mass concentration; Peach; 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

Peach IgG4 (S) [Mass/Vol]Peach IgG4 Ab [Mass/volume] in SerumPeach IgG4-mCncPrunus persica Ab.IgG4ALLERGYPeach IgG4 antibodyMCnc

Frequently asked questions

Code details

Code56350-2
SystemLOINC
Display namePeach IgG4 (S) [Mass/Vol]
DescriptionPrunus persica Ab.IgG4
Short namePeach IgG4-mCnc
ComponentPrunus persica 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

Peach IgG4 antibody

Part names

Prunus persica Ab.IgG4MCncPtSerQnPeach (Prunus persica) 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 56350-2 | HealthAssure