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 17341-9: Neuronal nuclear Ab IF Ql (CSF)

Name: LOINC Code 17341-9: Neuronal nuclear Ab IF Ql (CSF)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

17341-9 is a LOINC code used to identify Neuronal nuclear Ab IF Ql (CSF) 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 Ab. It is commonly used with the system or sample type CSF.

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 Ab. It is commonly used with the system or sample type CSF.

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 Ab [Presence] in Cerebral spinal fluid by Immunofluorescence
Neuronal nuclear Ab
ABS; Aby; ACIF; ANA; ANF; ANNA; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Antinuclear antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; FA; FANA; Fluorescent antibody; Fluoresent; Hu; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; NA; Neuro; Neurology; Nuc; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Neuronal nuclear Ab IF Ql (CSF) (17341-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Neuronal nuclear Ab IF Ql (CSF)Neuronal nuclear Ab [Presence] in Cerebral spinal fluid by ImmunofluorescenceHu Ab CSF Ql IFNeuronal nuclear AbSERONeuronal nuclear antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code17341-9

SystemLOINC

Display nameNeuronal nuclear Ab IF Ql (CSF)

DescriptionNeuronal nuclear Ab

Short nameHu Ab CSF Ql IF

ComponentNeuronal nuclear Ab

PropertyPrThr

TimingPt

System (specimen)CSF

ScaleOrd

MethodIF

ClassSERO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.73

Consumer names

Neuronal nuclear antibody, Spinal fluid

Part names

Neuronal nuclear AbPrThrPtCSFOrdIFPresence or ThresholdPoint in time (spot)Cerebral spinal fluidImmunofluorescence (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.