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 63335-4: SCL-70 extractable nuclear Ab IA Ql (Body fld)

Name: LOINC Code 63335-4: SCL-70 extractable nuclear Ab IA Ql (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:42.802Z

63335-4 is a LOINC code used to identify SCL-70 extractable nuclear Ab IA Ql (Body fld) 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 SCL-70 extractable nuclear Ab. It is commonly used with the system or sample type Body fld.

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 SCL-70 extractable nuclear Ab. It is commonly used with the system or sample type Body 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: IA

What it does not mean

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

Key facts

SCL-70 extractable nuclear Ab [Presence] in Body fluid by Immunoassay
SCL-70 extractable nuclear Ab
ABS; Aby; ANA; ANF; Antby; Anti; Antibodies; Antibody; Antinuclear antibody; anti-topo I; Autoantibodies; Autoantibody; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; DNA-Topoisomerase I; EIA; ELFA; ELISA; ENA; ENA Scl70; Enzyme immunoassay; Fl; Fld; FLU; Fluid; IAA; MEIA; NA; Nuc; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Scleroderma; Scleroderma ab; Screen; Serology; SUDS; Topo I; Topoisomerase I

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

SCL-70 extractable nuclear Ab IA Ql (Body fld)SCL-70 extractable nuclear Ab [Presence] in Body fluid by ImmunoassayENA Scl70 Ab Fld Ql IASCL-70 extractable nuclear AbSEROSCL-70 extractable nuclear antibody, Body fluidPrThr

Frequently asked questions

Code details

Code63335-4

SystemLOINC

Display nameSCL-70 extractable nuclear Ab IA Ql (Body fld)

DescriptionSCL-70 extractable nuclear Ab

Short nameENA Scl70 Ab Fld Ql IA

ComponentSCL-70 extractable nuclear Ab

PropertyPrThr

TimingPt

System (specimen)Body fld

ScaleOrd

MethodIA

ClassSERO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.56

Consumer names

SCL-70 extractable nuclear antibody, Body fluid

Part names

SCL-70 extractable nuclear AbPrThrPtBody fldOrdIAPresence or ThresholdPoint in time (spot)Body fluidImmunoassay

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.