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.

LOINCBoth

LOINC Code 82443-3: Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab IB Ql (S)

Name: LOINC Code 82443-3: Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab IB Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:08.165Z

82443-3 is a LOINC code used to identify Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab IB 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 Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear 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 Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear 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: DEPRECATED
Order vs observation: Both
Method: IB

What it does not mean

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

Key facts

Deprecated Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab [Presence] in Serum by Immunoblot
Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab
ABS; Aby; ANA; ANF; Antby; Anti; Antibodies; Antibody; Antinuclear antibody; Autoantibodies; Autoantibody; Blt; ENA; ENA RNP; ENA SM; ENA SM+RNP; IMMUNE BLOT; Immunobl; Immunoblot; NA; Nuc; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Ribonuclear protein; RNP; Ro; Screen; Serology; Serum; SM; SR; WB; WBLOT; West blot; West blt; Western blot

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

Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab IB Ql (S)Deprecated Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab [Presence] in Serum by ImmunoblotDeprecated ENA SM+RNP Ab Ser Ql IBSmith extractable nuclear Ab+Ribonucleoprotein extractable nuclear AbSEROSmith extractable nuclear Ab+Ribonucleoprotein extractable nuclear antibody, BloodPrThr

Frequently asked questions

Code details

Code82443-3

SystemLOINC

Display nameSmith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab IB Ql (S)

DescriptionSmith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab

Short nameDeprecated ENA SM+RNP Ab Ser Ql IB

ComponentSmith extractable nuclear Ab+Ribonucleoprotein extractable nuclear Ab

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodIB

ClassSERO

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.58

Last changed2.58

Consumer names

Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear antibody, Blood

Part names

Smith extractable nuclear Ab+Ribonucleoprotein extractable nuclear AbPrThrPtSerOrdIBPresence or ThresholdPoint in time (spot)SerumImmunoblot

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.