LOINCActiveObservation

LOINC Code 44649-2: Grading system Nom (Breast tumor)

44649-2 is a LOINC code used to identify Grading system Nom (Breast tumor) 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 Grading system. It is commonly used with the system or sample type Breast tumor.

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 Grading system. It is commonly used with the system or sample type Breast tumor.

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

What it does not mean

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

Key facts

  • Grading system in Breast tumor
  • Grading system
  • Brst; BT; Cancer; Finding; Findings; Nominal; Pathology; PATHOLOGY PROTOCOLS; PATHOLOGY PROTOCOLS BREAST; Point in time; Random; tumors; tumour; tumours

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

Grading system Nom (Breast tumor)Grading system in Breast tumorGrading system BTGrading systemPATH.PROTOCOLS.BRSTGrading system, Breast TumorFind

Frequently asked questions

Code details

Code44649-2
SystemLOINC
Display nameGrading system Nom (Breast tumor)
DescriptionGrading system
Short nameGrading system BT
ComponentGrading system
PropertyFind
TimingPt
System (specimen)Breast tumor
ScaleNom
ClassPATH.PROTOCOLS.BRST
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.61

Consumer names

Grading system, Breast Tumor

Part names

Grading systemFindPtBreast tumorNomFindingPoint 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 44649-2 | HealthAssure