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 43188-2: Neuronal nuclear type 2 Ab IF (S) [Titer]

Name: LOINC Code 43188-2: Neuronal nuclear type 2 Ab IF (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

43188-2 is a LOINC code used to identify Neuronal nuclear type 2 Ab IF (S) [Titer] 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 Neuronal nuclear type 2 Ab. 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 Neuronal nuclear type 2 Ab. 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
Method: IF

What it does not mean

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

Key facts

Neuronal nuclear type 2 Ab [Titer] in Serum by Immunofluorescence
Neuronal nuclear type 2 Ab
ABS; Aby; ACIF; ANNA 2; ANNA-2; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); FA; FANA; Fluorescent antibody; Fluoresent; Hu; Hu2; IFA; II; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Neuro; Neurology; Neuronal nuclear type II; Nuc; Oncology; Paraneoplastic syndrome; Point in time; Random; RI; Serology; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Neuronal nuclear type 2 Ab IF (S) [Titer] (43188-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Neuronal nuclear type 2 Ab IF (S) [Titer]Neuronal nuclear type 2 Ab [Titer] in Serum by ImmunofluorescenceHu2 Ab Titr Ser IFNeuronal nuclear type 2 AbSERONeuronal nuclear type 2 antibody, BloodTitr

Frequently asked questions

Code details

Code43188-2

SystemLOINC

Display nameNeuronal nuclear type 2 Ab IF (S) [Titer]

DescriptionNeuronal nuclear type 2 Ab

Short nameHu2 Ab Titr Ser IF

ComponentNeuronal nuclear type 2 Ab

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodIF

ClassSERO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.75

Consumer names

Neuronal nuclear type 2 antibody, Blood

Part names

Neuronal nuclear type 2 AbTitrPtSerSemiQnIFTiterPoint in time (spot)SerumImmunofluorescence (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.