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 17536-4: Ribonucleoprotein extractable nuclear Ab IF Qn (S)

Name: LOINC Code 17536-4: Ribonucleoprotein extractable nuclear Ab IF Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

17536-4 is a LOINC code used to identify Ribonucleoprotein extractable nuclear Ab IF Qn (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 Ribonucleoprotein extractable nuclear Ab. It is commonly used with the system or sample type Ser.

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 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: 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

Ribonucleoprotein extractable nuclear Ab [Units/volume] in Serum by Immunofluorescence
Ribonucleoprotein extractable nuclear Ab
ABS; Aby; ACIF; ANA; ANF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Antinuclear antibody; Arbitrary concentration; Autoantibodies; Autoantibody; ENA; ENA RNP; FA; FANA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; NA; Nuc; Point in time; QNT; Quan; Quant; Quantitative; Random; Ribonuclear protein; RNP; Ro; Serology; Serum; SR; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Ribonucleoprotein extractable nuclear Ab IF Qn (S) (17536-4)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Ribonucleoprotein extractable nuclear Ab IF Qn (S)Ribonucleoprotein extractable nuclear Ab [Units/volume] in Serum by ImmunofluorescenceENA RNP Ab Ser IF-aCncRibonucleoprotein extractable nuclear AbSERORibonucleoprotein extractable nuclear antibody, BloodACnc

Frequently asked questions

Code details

Code17536-4

SystemLOINC

Display nameRibonucleoprotein extractable nuclear Ab IF Qn (S)

DescriptionRibonucleoprotein extractable nuclear Ab

Short nameENA RNP Ab Ser IF-aCnc

ComponentRibonucleoprotein extractable nuclear Ab

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

MethodIF

ClassSERO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.69

Consumer names

Ribonucleoprotein extractable nuclear antibody, Blood

Part names

Ribonucleoprotein extractable nuclear AbACncPtSerQnIFArbitrary ConcentrationPoint 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.