LOINCActiveOrder

LOINC Code 90231-2: Thymoma and myasthenia gravis antibody panel (S)

90231-2 is a LOINC code used to identify Thymoma and myasthenia gravis antibody 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 Thymoma & myasthenia gravis antibody 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 Thymoma & myasthenia gravis antibody 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

  • Thymoma and myasthenia gravis antibody panel - Serum
  • Thymoma & myasthenia gravis antibody panel
  • Ab; Pan; PANEL.SEROLOGY; Panl; Pnl; Point in time; Random; Serology; Serum; SR; Thymoma + MS Ab panel

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

Thymoma and myasthenia gravis antibody panel (S)Thymoma and myasthenia gravis antibody panel - SerumThymoma + MS Ab panel SerThymoma & myasthenia gravis antibody panelPANEL.SEROThymoma and Myasthenia gravis antibody panel, Blood-

Frequently asked questions

Code details

Code90231-2
SystemLOINC
Display nameThymoma and myasthenia gravis antibody panel (S)
DescriptionThymoma & myasthenia gravis antibody panel
Short nameThymoma + MS Ab panel Ser
ComponentThymoma & myasthenia gravis antibody panel
Property-
TimingPt
System (specimen)Ser
Scale-
ClassPANEL.SERO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.65

Consumer names

Thymoma and Myasthenia gravis antibody panel, Blood

Part names

Thymoma & myasthenia gravis antibody panel-PtSerThymoma and myasthenia gravis antibody 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.

LOINC Code 90231-2 | HealthAssure