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 6457-6: DNA double strand Ab IF Crithidia luciliae Ql (S)

Name: LOINC Code 6457-6: DNA double strand Ab IF Crithidia luciliae Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.951Z

6457-6 is a LOINC code used to identify DNA double strand Ab IF Crithidia luciliae Ql (S) 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 DNA double strand Ab. 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 DNA double strand 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: Crithidia luciliae IF

What it does not mean

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

Key facts

DNA double strand Ab [Presence] in Serum by Immunofluorescence (IF) Crithidia luciliae
DNA double strand Ab
ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; CLIF; Deoxyribonucleic acid; DNA binding ab; ds; dsDNA; dsnda; FA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Native DNA; N-DNA; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; Serum; SR; Stranded; Strnd; 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.

Common synonyms

DNA double strand Ab IF Crithidia luciliae Ql (S)DNA double strand Ab [Presence] in Serum by Immunofluorescence (IF) Crithidia luciliaedsDNA Ab Ser Ql CLIFDNA double strand AbSERODNA double strand antibody, BloodPrThr

Frequently asked questions

Code details

Code6457-6

SystemLOINC

Display nameDNA double strand Ab IF Crithidia luciliae Ql (S)

DescriptionDNA double strand Ab

Short namedsDNA Ab Ser Ql CLIF

ComponentDNA double strand Ab

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodCrithidia luciliae IF

ClassSERO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0f

Last changed2.73

Consumer names

DNA double strand antibody, Blood

Part names

DNA double strand AbPrThrPtSerOrdCrithidia luciliae IFPresence or ThresholdPoint in time (spot)SerumImmunofluorescence (IF) Crithidia luciliae

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.