LOINCActiveBoth

LOINC Code 28552-8: C. herbarum IgM Qn (S)

28552-8 is a LOINC code used to identify C. herbarum IgM 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.IgM. 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.IgM. 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 IgM Ab [Units/volume] in Serum
  • Cladosporium herbarum Ab.IgM
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; C herbarum; Hormodendrum; Immune globulin M; Immunoglobulin M; 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 IgM Qn (S)Cladosporium herbarum IgM Ab [Units/volume] in SerumC herbarum IgM QnCladosporium herbarum Ab.IgMALLERGYCladosporium herbarum IgM antibodyACnc

Frequently asked questions

Code details

Code28552-8
SystemLOINC
Display nameC. herbarum IgM Qn (S)
DescriptionCladosporium herbarum Ab.IgM
Short nameC herbarum IgM Qn
ComponentCladosporium herbarum Ab.IgM
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 IgM antibody

Part names

Cladosporium herbarum Ab.IgMACncPtSerQnCladosporium herbarum IgMArbitrary 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 28552-8 | HealthAssure