LOINCActiveBoth

LOINC Code 26417-6: C. herbarum IgG4 Qn (S)

26417-6 is a LOINC code used to identify C. herbarum IgG4 Qn (S) 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 Cladosporium herbarum 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 Cladosporium herbarum 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

  • Cladosporium herbarum IgG4 Ab [Units/volume] in Serum
  • Cladosporium herbarum Ab.IgG4
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; C herbarum; Hormodendrum; m002; m2; 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

C. herbarum IgG4 Qn (S)Cladosporium herbarum IgG4 Ab [Units/volume] in SerumC herbarum IgG4 QnCladosporium herbarum Ab.IgG4ALLERGYCladosporium herbarum IgG4 antibodyACnc

Frequently asked questions

Code details

Code26417-6
SystemLOINC
Display nameC. herbarum IgG4 Qn (S)
DescriptionCladosporium herbarum Ab.IgG4
Short nameC herbarum IgG4 Qn
ComponentCladosporium herbarum Ab.IgG4
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.69

Consumer names

Cladosporium herbarum IgG4 antibody

Part names

Cladosporium herbarum Ab.IgG4ACncPtSerQnCladosporium herbarum IgG4Arbitrary 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 26417-6 | HealthAssure