LOINCActiveBoth

LOINC Code 5039-3: Acetylcholine receptor modulation Ab IF (S) [Titer]

5039-3 is a LOINC code used to identify Acetylcholine receptor modulation Ab 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 Acetylcholine receptor modulation Ab. It is commonly used with the system or sample type Ser.

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 Acetylcholine receptor modulation Ab. 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
  • Method: IF

What it does not mean

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

Key facts

  • Acetylcholine receptor modulation Ab [Titer] in Serum by Immunofluorescence
  • Acetylcholine receptor modulation Ab
  • ABS; Aby; Acetylch; ACH; AChR; AChR Mod; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Neuro; Neurology; Point in time; Random; Rec; Recept; Receptors; Recp; Recptr; 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

Acetylcholine receptor modulation Ab IF (S) [Titer]Acetylcholine receptor modulation Ab [Titer] in Serum by ImmunofluorescenceAChR Mod Ab Titr Ser IFAcetylcholine receptor modulation AbSEROAcetylcholine receptor modulation antibody, BloodTitr

Frequently asked questions

Code details

Code5039-3
SystemLOINC
Display nameAcetylcholine receptor modulation Ab IF (S) [Titer]
DescriptionAcetylcholine receptor modulation Ab
Short nameAChR Mod Ab Titr Ser IF
ComponentAcetylcholine receptor modulation Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassSERO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.75

Consumer names

Acetylcholine receptor modulation antibody, Blood

Part names

Acetylcholine receptor modulation AbTitrPtSerSemiQnIFTiterPoint 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 5039-3 | HealthAssure