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 68374-8: Nuclear Ab IF (Pleur fld) [Titer]

Name: LOINC Code 68374-8: Nuclear Ab IF (Pleur fld) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

68374-8 is a LOINC code used to identify Nuclear Ab IF (Pleur fld) [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 Nuclear Ab. It is commonly used with the system or sample type Plr fld.

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 Nuclear Ab. It is commonly used with the system or sample type Plr fld.

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

Nuclear Ab [Titer] in Pleural fluid by Immunofluorescence
Nuclear Ab
ABS; Aby; ACIF; ANA; ANF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Antinuclear antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); FA; FANA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Lung; NA; Nuc; Pleural; Pleural fluid; Point in time; Pulmonary; Pulmonology; Random; Respiratory; Serology; SmQn; thoracentesis fluid; 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 Nuclear Ab IF (Pleur fld) [Titer] (68374-8)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Nuclear Ab IF (Pleur fld) [Titer]Nuclear Ab [Titer] in Pleural fluid by ImmunofluorescenceANA Titr Plr IFNuclear AbSERONuclear antibody, Pleural fluidTitr

Frequently asked questions

Code details

Code68374-8

SystemLOINC

Display nameNuclear Ab IF (Pleur fld) [Titer]

DescriptionNuclear Ab

Short nameANA Titr Plr IF

ComponentNuclear Ab

PropertyTitr

TimingPt

System (specimen)Plr fld

ScaleSemiQn

MethodIF

ClassSERO

Example unitsTiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.75

Consumer names

Nuclear antibody, Pleural fluid

Part names

Nuclear AbTitrPtPlr fldSemiQnIFTiterPoint in time (spot)Pleural 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.