What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 44654-2: Tissue involved by tumor (Prostate tumor)

Name: LOINC Code 44654-2: Tissue involved by tumor (Prostate tumor)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:30.173Z

44654-2 is a LOINC code used to identify Tissue involved by tumor (Prostate 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 Prostatic tissue involved by tumor. It is commonly used with the system or sample type Prostate 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 Prostatic tissue involved by tumor. It is commonly used with the system or sample type Prostate 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

Tissue involved by tumor in Prostate tumor
Prostatic tissue involved by tumor
Cancer; Intraglandular extent; Number fraction; PATHOLOGY; PATHOLOGY PROTOCOLS; PATHOLOGY PROTOCOLS PROSTATE; Percent; Point in time; Prost; Prostate; Prostati; Prostatic; PrT; QNT; Quan; Quant; Quantitative; 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

Tissue involved by tumor (Prostate tumor)Tissue involved by tumor in Prostate tumorTissue involved by tumor PrTProstatic tissue involved by tumorPATH.PROTOCOLS.PROSTTissue involved by tumor, Prostate TumorNFr

Frequently asked questions

Code details

Code44654-2

SystemLOINC

Display nameTissue involved by tumor (Prostate tumor)

DescriptionProstatic tissue involved by tumor

Short nameTissue involved by tumor PrT

ComponentProstatic tissue involved by tumor

PropertyNFr

TimingPt

System (specimen)Prostate tumor

ScaleQn

ClassPATH.PROTOCOLS.PROST

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.58

Consumer names

Tissue involved by tumor, Prostate Tumor

Part names

Prostatic tissue involved by tumorNFrPtProstate tumorQnNumber FractionPoint 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.