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 44657-5: Dominant nodule.maximum.dimension (Prostate tumor) [Length]

Name: LOINC Code 44657-5: Dominant nodule.maximum.dimension (Prostate tumor) [Length]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:30.173Z

44657-5 is a LOINC code used to identify Dominant nodule.maximum.dimension (Prostate tumor) [Length] 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 Dominant nodule.max.dimension. 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 Dominant nodule.max.dimension. 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

Dominant nodule.maximum.dimension in Prostate tumor
Dominant nodule.max.dimension
Cancer; Dom nodule.max.dim; Largest; Length; Maximal; Maximum; Pathology; PATHOLOGY PROTOCOLS; PATHOLOGY PROTOCOLS PROSTATE; Peak; Point in time; Prost; 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

Dominant nodule.maximum.dimension (Prostate tumor) [Length]Dominant nodule.maximum.dimension in Prostate tumorDom nodule.max.dim PrTDominant nodule.max.dimensionPATH.PROTOCOLS.PROSTDominant nodule.maximum.dimension, Prostate TumorLen

Frequently asked questions

Code details

Code44657-5

SystemLOINC

Display nameDominant nodule.maximum.dimension (Prostate tumor) [Length]

DescriptionDominant nodule.max.dimension

Short nameDom nodule.max.dim PrT

ComponentDominant nodule.max.dimension

PropertyLen

TimingPt

System (specimen)Prostate tumor

ScaleQn

ClassPATH.PROTOCOLS.PROST

Example unitscm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.70

Consumer names

Dominant nodule.maximum.dimension, Prostate Tumor

Part names

Dominant nodule.max.dimensionLenPtProstate tumorQnLengthPoint 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.