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 31580-4: Purkinje cells IgG Qn (S)

Name: LOINC Code 31580-4: Purkinje cells IgG Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:17.664Z

31580-4 is a LOINC code used to identify Purkinje cells IgG 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 Purkinje cells Ab.IgG. 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 Purkinje cells 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

Purkinje cells IgG Ab [Units/volume] in Serum
Purkinje cells Ab.IgG
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cell; Cellularity; Immune globulin G; Immunoglobulin G; Paraneoplastic syndrome; PCA; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; SR; Yo autoantibody

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

Purkinje cells IgG Qn (S)Purkinje cells IgG Ab [Units/volume] in SerumPurkinje Cells IgG Ser-aCncPurkinje cells Ab.IgGSEROPurkinje cells IgG antibody, BloodACnc

Frequently asked questions

Code details

Code31580-4

SystemLOINC

Display namePurkinje cells IgG Qn (S)

DescriptionPurkinje cells Ab.IgG

Short namePurkinje Cells IgG Ser-aCnc

ComponentPurkinje cells Ab.IgG

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassSERO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.07

Last changed2.69

Consumer names

Purkinje cells IgG antibody, Blood

Part names

Purkinje cells Ab.IgGACncPtSerQnPurkinje cells IgGArbitrary 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.