LOINCActiveObservation

LOINC Code 53995-7: Nuclear matrix Ab pattern IF (S) [Titer]

53995-7 is a LOINC code used to identify Nuclear matrix Ab pattern IF (S) [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 Nuclear Ab pattern.nuclear matrix. 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.nuclear matrix. 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

  • Nuclear matrix Ab pattern [Titer] in Serum by Immunofluorescence
  • Nuclear Ab pattern.nuclear matrix
  • ACIF; ANA; ANA nuclear matrix; ANA Pat; ANF; Anticomplement Immunofluorescence; Antinuclear antibody; Dilution factor; Dilution Factor (Titer); FA; FANA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; NA; Nuc; Point in time; Random; Serology; Serum; 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

Nuclear matrix Ab pattern IF (S) [Titer]Nuclear matrix Ab pattern [Titer] in Serum by ImmunofluorescenceANA nuclear matrix Titr Ser IFNuclear Ab pattern.nuclear matrixSERONuclear matrix Ab pattern, BloodTitr

Frequently asked questions

Code details

Code53995-7
SystemLOINC
Display nameNuclear matrix Ab pattern IF (S) [Titer]
DescriptionNuclear Ab pattern.nuclear matrix
Short nameANA nuclear matrix Titr Ser IF
ComponentNuclear Ab pattern.nuclear matrix
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassSERO
Example unitsTiter
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.75

Consumer names

Nuclear matrix Ab pattern, Blood

Part names

Nuclear Ab pattern.nuclear matrixTitrPtSerSemiQnIFNuclear matrix Ab patternTiterPoint 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.

LOINC Code 53995-7 | HealthAssure