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 54155-7: Intercellular bridge ANA pattern IF (S) [Titer]

Name: LOINC Code 54155-7: Intercellular bridge ANA pattern IF (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.582Z

54155-7 is a LOINC code used to identify Intercellular bridge ANA pattern 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 Nuclear Ab pattern.intercellular bridge. 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 Nuclear Ab pattern.intercellular bridge. 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

Intercellular bridge nuclear Ab pattern [Titer] in Serum by Immunofluorescence
Nuclear Ab pattern.intercellular bridge
ACIF; ANA; ANA intercell bridge; ANA Pat; ANF; Anticomplement Immunofluorescence; Antinuclear antibody; Dilution factor; Dilution Factor (Titer); FA; FANA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Midbody; NA; Nuc; Point in time; Random; Serology; Serum; SmQn; SR; Stem body; 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.

Common synonyms

Intercellular bridge ANA pattern IF (S) [Titer]Intercellular bridge nuclear Ab pattern [Titer] in Serum by ImmunofluorescenceANA intercell bridge Titr Ser IFNuclear Ab pattern.intercellular bridgeSEROIntercellular bridge ANA pattern, BloodTitr

Frequently asked questions

Code details

Code54155-7

SystemLOINC

Display nameIntercellular bridge ANA pattern IF (S) [Titer]

DescriptionNuclear Ab pattern.intercellular bridge

Short nameANA intercell bridge Titr Ser IF

ComponentNuclear Ab pattern.intercellular bridge

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodIF

ClassSERO

Example unitsTiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.27

Last changed2.75

Consumer names

Intercellular bridge ANA pattern, Blood

Part names

Nuclear Ab pattern.intercellular bridgeTitrPtSerSemiQnIFIntercellular bridge nuclear Ab patternTiterPoint 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.