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LOINC Code 63271-1: Liver kidney microsomal 1 Ab IF (Body fld) [Titer]

63271-1 is a LOINC code used to identify Liver kidney microsomal 1 Ab IF (Body fld) [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 Liver kidney microsomal 1 Ab. It is commonly used with the system or sample type Body fld.

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 Liver kidney microsomal 1 Ab. It is commonly used with the system or sample type Body fld.

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

  • Liver kidney microsomal 1 Ab [Titer] in Body fluid by Immunofluorescence
  • Liver kidney microsomal 1 Ab
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Dilution factor; Dilution Factor (Titer); FA; Fl; Fld; FLU; Fluid; Fluorescent antibody; Fluoresent; Hepatology; i; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Liver; Liver kidney microsome; LKM; LKM1; LKM-1; Microsm; Microsom; Point in time; Random; Serology; SmQn; 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

Liver kidney microsomal 1 Ab IF (Body fld) [Titer]Liver kidney microsomal 1 Ab [Titer] in Body fluid by ImmunofluorescenceLKM-1 Ab Titr Fld IFLiver kidney microsomal 1 AbSEROLiver kidney microsomal 1 antibody, Body fluidTitr

Frequently asked questions

Code details

Code63271-1
SystemLOINC
Display nameLiver kidney microsomal 1 Ab IF (Body fld) [Titer]
DescriptionLiver kidney microsomal 1 Ab
Short nameLKM-1 Ab Titr Fld IF
ComponentLiver kidney microsomal 1 Ab
PropertyTitr
TimingPt
System (specimen)Body fld
ScaleSemiQn
MethodIF
ClassSERO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.75

Consumer names

Liver kidney microsomal 1 antibody, Body fluid

Part names

Liver kidney microsomal 1 AbTitrPtBody fldSemiQnIFTiterPoint in time (spot)Body fluidImmunofluorescence (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.