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 106533-3: P200 pemphigoid IgG IF Ql

Name: LOINC Code 106533-3: P200 pemphigoid IgG IF Ql
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.670Z

106533-3 is a LOINC code used to identify P200 pemphigoid IgG IF Ql 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 P200 pemphigoid 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 P200 pemphigoid 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: IF

What it does not mean

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

Key facts

P200 pemphigoid IgG Ab [Presence] in Serum or Plasma by Immunofluorescence
P200 pemphigoid Ab.IgG
ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; FA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Molecular pathology; MOLPATH; Ordinal; p200; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Time Resolved Fluorescence; TRF

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

P200 pemphigoid IgG IF QlP200 pemphigoid IgG Ab [Presence] in Serum or Plasma by ImmunofluorescenceP200 pemphigoid IgG SerPl Ql IFP200 pemphigoid Ab.IgGMOLPATHP200 pemphigoid IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code106533-3

SystemLOINC

Display nameP200 pemphigoid IgG IF Ql

DescriptionP200 pemphigoid Ab.IgG

Short nameP200 pemphigoid IgG SerPl Ql IF

ComponentP200 pemphigoid Ab.IgG

PropertyPrThr

TimingPt

System (specimen)Ser/Plas

ScaleOrd

MethodIF

ClassMOLPATH

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.79

Last changed2.79

Consumer names

P200 pemphigoid IgG antibody, Blood

Part names

P200 pemphigoid Ab.IgGPrThrPtSer/PlasOrdIFPresence or ThresholdPoint in time (spot)Serum or PlasmaImmunofluorescence (IF)

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.