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.

LOINCActiveObservation

LOINC Code 53999-9: Multiple nuclear dots nuclear Ab pattern IF Ql (S)

Name: LOINC Code 53999-9: Multiple nuclear dots nuclear Ab pattern IF Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.582Z

53999-9 is a LOINC code used to identify Multiple nuclear dots nuclear Ab pattern IF 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 pattern.multiple nuclear dots. 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 pattern.multiple nuclear dots. 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: Observation
Method: IF

What it does not mean

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

Key facts

Multiple nuclear dots nuclear Ab pattern [Presence] in Serum by Immunofluorescence
Nuclear Ab pattern.multiple nuclear dots
ACIF; ANA; ANA multiple nuclear dots; ANA Pat; ANF; Anticomplement Immunofluorescence; Antinuclear antibody; FA; FANA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Mult; Multi; NA; Nuc; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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.

Common synonyms

Multiple nuclear dots nuclear Ab pattern IF Ql (S)Multiple nuclear dots nuclear Ab pattern [Presence] in Serum by ImmunofluorescenceANA multiple nuclear dots Ser Ql IFNuclear Ab pattern.multiple nuclear dotsSEROMultiple nuclear Dots nuclear Ab pattern, BloodPrThr

Frequently asked questions

Code details

Code53999-9

SystemLOINC

Display nameMultiple nuclear dots nuclear Ab pattern IF Ql (S)

DescriptionNuclear Ab pattern.multiple nuclear dots

Short nameANA multiple nuclear dots Ser Ql IF

ComponentNuclear Ab pattern.multiple nuclear dots

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodIF

ClassSERO

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.26

Last changed2.73

Consumer names

Multiple nuclear Dots nuclear Ab pattern, Blood

Part names

Nuclear Ab pattern.multiple nuclear dotsPrThrPtSerOrdIFMultiple nuclear dots nuclear Ab patternPresence or ThresholdPoint 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.