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 53003-0: Mitotic spindle apparatus Ab IF [Titer]

Name: LOINC Code 53003-0: Mitotic spindle apparatus Ab IF [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.029Z

53003-0 is a LOINC code used to identify Mitotic spindle apparatus Ab IF [Titer] 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 Mitotic spindle apparatus Ab. It is commonly used with the system or sample type Ser/Plas.

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 Mitotic spindle apparatus Ab. It is commonly used with the system or sample type Ser/Plas.

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

Mitotic spindle apparatus Ab [Titer] in Serum or Plasma by Immunofluorescence
Mitotic spindle apparatus Ab
ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Lung; MSA; Nuclear mitotic spindle; Pl; Plasma; Plsm; Point in time; Pulmonary; Pulmonology; Random; Respiratory; Serology; SerP; SerPl; SerPlas; Serum; Serum or plasma; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr

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

Mitotic spindle apparatus Ab IF [Titer]Mitotic spindle apparatus Ab [Titer] in Serum or Plasma by ImmunofluorescenceMitotic spindle app Ab Titr SerPl IFMitotic spindle apparatus AbSEROMitotic spindle apparatus antibody, BloodTitr

Frequently asked questions

Code details

Code53003-0

SystemLOINC

Display nameMitotic spindle apparatus Ab IF [Titer]

DescriptionMitotic spindle apparatus Ab

Short nameMitotic spindle app Ab Titr SerPl IF

ComponentMitotic spindle apparatus Ab

PropertyTitr

TimingPt

System (specimen)Ser/Plas

ScaleSemiQn

MethodIF

ClassSERO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.24

Last changed2.75

Consumer names

Mitotic spindle apparatus antibody, Blood

Part names

Mitotic spindle apparatus AbTitrPtSer/PlasSemiQnIFTiterPoint in time (spot)Serum or PlasmaImmunofluorescence (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.