LOINCActiveOrder

LOINC Code 97566-4: Myasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel (S)

97566-4 is a LOINC code used to identify Myasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel (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 Myasthenia gravis & Lambert-Eaton syndrome autoimmune Ab panel. 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 Myasthenia gravis & Lambert-Eaton syndrome autoimmune Ab panel. 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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

  • Myasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel - Serum
  • Myasthenia gravis & Lambert-Eaton syndrome autoimmune Ab panel
  • Testing is performed for patients with an acquired neuromuscular transmission defect where myasthenia gravis (MG) is thought to be the cause and Lambert-Eaton syndrome (LES) is being considered as a differential diagnosis. Autoimmune serology profile testing assists with the diagnosis of and monitoring patients with MG or LES, and for predicting the likelihood of lung carcinoma.
  • MG and LES Ab Pnl; Neuro; Neurology; Pan; PANEL.SEROLOGY; Panl; Pnl; Point in time; Random; Serology; Serum; SR

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

Myasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel (S)Myasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel - SerumMG and LES Ab Pnl SerMyasthenia gravis & Lambert-Eaton syndrome autoimmune Ab panelPANEL.SEROMyasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel, Blood-

Frequently asked questions

Code details

Code97566-4
SystemLOINC
Display nameMyasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel (S)
DescriptionMyasthenia gravis & Lambert-Eaton syndrome autoimmune Ab panel
Short nameMG and LES Ab Pnl Ser
ComponentMyasthenia gravis & Lambert-Eaton syndrome autoimmune Ab panel
Property-
TimingPt
System (specimen)Ser
Scale-
ClassPANEL.SERO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.70

Consumer names

Myasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panel, Blood

Part names

Myasthenia gravis & Lambert-Eaton syndrome autoimmune Ab panel-PtSerMyasthenia gravis and Lambert-Eaton syndrome autoimmune Ab panelPoint in time (spot)Serum

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.