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 17380-7: Nuclear Ab.histone reactive Ql (S)

Name: LOINC Code 17380-7: Nuclear Ab.histone reactive Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:26.981Z

17380-7 is a LOINC code used to identify Nuclear Ab.histone reactive 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 Nuclear Ab.histone reactive. 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.histone reactive. 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

What it does not mean

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

Key facts

Nuclear Ab.histone reactive [Presence] in Serum
Nuclear Ab.histone reactive
ANA; ANA Histone Reactive; ANF; Antinuclear antibody; NA; Nuc; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Reac; React; Screen; Serology; Serum; SR

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

Nuclear Ab.histone reactive Ql (S)Nuclear Ab.histone reactive [Presence] in SerumANA Histone Reactive Ser QlNuclear Ab.histone reactiveSERONuclear Ab.histone reactive, BloodPrThr

Frequently asked questions

Code details

Code17380-7

SystemLOINC

Display nameNuclear Ab.histone reactive Ql (S)

DescriptionNuclear Ab.histone reactive

Short nameANA Histone Reactive Ser Ql

ComponentNuclear Ab.histone reactive

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

ClassSERO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.56

Consumer names

Nuclear Ab.histone reactive, Blood

Part names

Nuclear Ab.histone reactivePrThrPtSerOrdPresence or ThresholdPoint in time (spot)Serum

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.