LOINCActiveBoth

LOINC Code 56380-9: Saltwort IgG4 (S) [Mass/Vol]

56380-9 is a LOINC code used to identify Saltwort 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 Salsola kali 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 Salsola kali 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

  • Saltwort IgG4 Ab [Mass/volume] in Serum
  • Salsola kali Ab.IgG4
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Russian thistle; Salosola kali; Salsola pestifer; Saltwort; Saltwort (prickly); Serum; SR; w011; w11

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

Saltwort IgG4 (S) [Mass/Vol]Saltwort IgG4 Ab [Mass/volume] in SerumSaltwort IgG4-mCncSalsola kali Ab.IgG4ALLERGYSaltwort IgG4 antibodyMCnc

Frequently asked questions

Code details

Code56380-9
SystemLOINC
Display nameSaltwort IgG4 (S) [Mass/Vol]
DescriptionSalsola kali Ab.IgG4
Short nameSaltwort IgG4-mCnc
ComponentSalsola kali 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

Saltwort IgG4 antibody

Part names

Salsola kali Ab.IgG4MCncPtSerQnSaltwort (Salsola kali) 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 56380-9 | HealthAssure