LOINCActiveObservation

LOINC Code 10741-7: Amyloid.microscopic observation Thioflavine-S stain Nom (Brain)

10741-7 is a LOINC code used to identify Amyloid.microscopic observation Thioflavine-S stain 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 Amyloid.microscopic observation. 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 Amyloid.microscopic observation. 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: Observation
  • Method: Thioflavine-S stain

What it does not mean

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

Key facts

  • Amyloid.microscopic observation [Identifier] in Brain by Thioflavine-S stain
  • Amyloid.microscopic observation
  • AL; Cerebral; Cerebrum; Head; Identity or presence; Intracranial; Nominal; Pathology; Point in time; Random; S prime; St; Stains; Stn; TFS Stn

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

Amyloid.microscopic observation Thioflavine-S stain Nom (Brain)Amyloid.microscopic observation [Identifier] in Brain by Thioflavine-S stainAL Brain TFS StnAmyloid.microscopic observationPATHAmyloid.microscopic observation, BrainPrid

Frequently asked questions

Code details

Code10741-7
SystemLOINC
Display nameAmyloid.microscopic observation Thioflavine-S stain Nom (Brain)
DescriptionAmyloid.microscopic observation
Short nameAL Brain TFS Stn
ComponentAmyloid.microscopic observation
PropertyPrid
TimingPt
System (specimen)Brain
ScaleNom
MethodThioflavine-S stain
ClassPATH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.15

Consumer names

Amyloid.microscopic observation, Brain

Part names

Amyloid.microscopic observationPridPtBrainNomThioflavine-S stainPresence or IdentityPoint in time (spot)

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 10741-7 | HealthAssure