LOINCActiveBoth

LOINC Code 74037-3: Transmissible spongiform encephalopathy LM Nom (Brain)

74037-3 is a LOINC code used to identify Transmissible spongiform encephalopathy LM Nom (Brain) 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 Transmissible spongiform encephalopathy. It is commonly used with the system or sample type Brain.

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 Transmissible spongiform encephalopathy. It is commonly used with the system or sample type Brain.

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: Microscopy.light

What it does not mean

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

Key facts

  • Transmissible spongiform encephalopathy [Identifier] in Brain by Light microscopy
  • Transmissible spongiform encephalopathy
  • Specific histopathologic exam without immunostain to identify and classify TSE (Scrapie, CWE, and BSE). Findings on light microscopy (plaques, neuronal loss, etc.) indicate the disease process, which is used to classify the disease.
  • abnormal prion protein; Cerebral; Cerebrum; Head; ID; Identity or presence; Infectious Disease; InfectiousDisease; Intracranial; LM; Micro; Microbiology; Micros; Microscopic; Neuro; Neurology; Nominal; Point in time; Prion diseases; Random; TSE

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

Transmissible spongiform encephalopathy LM Nom (Brain)Transmissible spongiform encephalopathy [Identifier] in Brain by Light microscopyTSE Brain MicroTransmissible spongiform encephalopathyMICROTransmissible spongiform encephalopathy, BrainPrid

Frequently asked questions

Code details

Code74037-3
SystemLOINC
Display nameTransmissible spongiform encephalopathy LM Nom (Brain)
DescriptionTransmissible spongiform encephalopathy
Short nameTSE Brain Micro
ComponentTransmissible spongiform encephalopathy
PropertyPrid
TimingPt
System (specimen)Brain
ScaleNom
MethodMicroscopy.light
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.46

Consumer names

Transmissible spongiform encephalopathy, Brain

Part names

Transmissible spongiform encephalopathyPridPtBrainNomMicroscopy.lightPresence or IdentityPoint in time (spot)Light microscopy

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 74037-3 | HealthAssure