LOINCActiveOrder

LOINC Code 55397-4: Short myasthenia gravis panel (S)

55397-4 is a LOINC code used to identify Short myasthenia gravis 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 Short myasthenia gravis 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 Short myasthenia gravis 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

  • Short myasthenia gravis panel - Serum
  • Short myasthenia gravis panel
  • Pan; PANEL.SEROLOGY; Panl; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; Short myasthenia gravis Pnl; 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

Short myasthenia gravis panel (S)Short myasthenia gravis panel - SerumShort myasthenia gravis Pnl SerShort myasthenia gravis panelPANEL.SEROShort myasthenia gravis panel, Blood-

Frequently asked questions

Code details

Code55397-4
SystemLOINC
Display nameShort myasthenia gravis panel (S)
DescriptionShort myasthenia gravis panel
Short nameShort myasthenia gravis Pnl Ser
ComponentShort myasthenia gravis panel
Property-
TimingPt
System (specimen)Ser
ScaleQn
ClassPANEL.SERO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.27
Last changed2.73

Consumer names

Short myasthenia gravis panel, Blood

Part names

Short myasthenia gravis panel-PtSerQnPoint 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.

LOINC Code 55397-4 | HealthAssure