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LOINC Code 26957-1: P. notatum IgG (S) [Mass/Vol]

26957-1 is a LOINC code used to identify P. notatum IgG (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 Penicillium notatum Ab.IgG. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 notatum Ab.IgG. 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

  • Penicillium notatum IgG Ab [Mass/volume] in Serum
  • Penicillium notatum Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Level; m001; m1; Mass concentration; Microbiology; P chrysogenum; P notatum; 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

P. notatum IgG (S) [Mass/Vol]Penicillium notatum IgG Ab [Mass/volume] in SerumP notatum IgG Ser-mCncPenicillium notatum Ab.IgGMICROPenicillium notatum IgG antibody, BloodMCnc

Frequently asked questions

Code details

Code26957-1
SystemLOINC
Display nameP. notatum IgG (S) [Mass/Vol]
DescriptionPenicillium notatum Ab.IgG
Short nameP notatum IgG Ser-mCnc
ComponentPenicillium notatum Ab.IgG
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Penicillium notatum IgG antibody, Blood

Part names

Penicillium notatum Ab.IgGMCncPtSerQnPenicillium notatum IgGMass 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 26957-1 | HealthAssure