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 16139-8: Neuronal nuclear Ab (CSF) [Titer]

Name: LOINC Code 16139-8: Neuronal nuclear Ab (CSF) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

16139-8 is a LOINC code used to identify Neuronal nuclear Ab (CSF) [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 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

What it does not mean

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

Key facts

Neuronal nuclear Ab [Titer] in Cerebral spinal fluid
Neuronal nuclear Ab
ABS; Aby; ANA; ANF; ANNA; Antby; Anti; Antibodies; Antibody; Antinuclear antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Dilution factor; Dilution Factor (Titer); Hu; NA; Neuro; Neurology; Nuc; Point in time; Random; Serology; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Titer; Titered; Titre; 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 Ab (CSF) [Titer] (16139-8)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Neuronal nuclear Ab (CSF) [Titer]Neuronal nuclear Ab [Titer] in Cerebral spinal fluidHu Ab Titr CSFNeuronal nuclear AbSERONeuronal nuclear antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code16139-8

SystemLOINC

Display nameNeuronal nuclear Ab (CSF) [Titer]

DescriptionNeuronal nuclear Ab

Short nameHu Ab Titr CSF

ComponentNeuronal nuclear Ab

PropertyTitr

TimingPt

System (specimen)CSF

ScaleSemiQn

ClassSERO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.75

Consumer names

Neuronal nuclear antibody, Spinal fluid

Part names

Neuronal nuclear AbTitrPtCSFSemiQnTiterPoint in time (spot)Cerebral spinal fluid

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.