What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 74805-3: Penicillium sp IgG IA [Mass/Vol]

Name: LOINC Code 74805-3: Penicillium sp IgG IA [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:55.155Z

74805-3 is a LOINC code used to identify Penicillium sp IgG IA [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 Penicillium sp Ab.IgG. It is commonly used with the system or sample type Ser/Plas.

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 Penicillium sp Ab.IgG. It is commonly used with the system or sample type Ser/Plas.

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
Method: IA

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Penicillium sp IgG Ab [Mass/volume] in Serum or Plasma by Immunoassay
Penicillium sp Ab.IgG
A quantitative assay of specific IgG antibodies that are markers for various allergic diseases or in monitoring immunotherapy. This term was created for, but not limited in use to, the ImmunoCAP Specific IgG Fluoroenzymeimmunoassay.
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; Gm27; IAA; Immune globulin G; Immunoglobulin G; Level; m27; Mass concentration; MEIA; Penicillium spp; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; RGm27; Rm217; SerP; SerPl; SerPlas; Serum; Serum or plasma; species; spp; SR; SUDS

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

Penicillium sp IgG IA [Mass/Vol]Penicillium sp IgG Ab [Mass/volume] in Serum or Plasma by ImmunoassayPenicillium IgG IA-mCncPenicillium sp Ab.IgGALLERGYPenicillium sp IgG antibody, BloodMCnc

Frequently asked questions

Code details

Code74805-3

SystemLOINC

Display namePenicillium sp IgG IA [Mass/Vol]

DescriptionPenicillium sp Ab.IgG

Short namePenicillium IgG IA-mCnc

ComponentPenicillium sp Ab.IgG

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodIA

ClassALLERGY

Example unitsmg/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.48

Last changed2.56

Consumer names

Penicillium sp IgG antibody, Blood

Part names

Penicillium sp Ab.IgGMCncPtSer/PlasQnIAPenicillium sp IgGMass ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

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.