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 84900-0: Other nodule quadrant Nom (Prostate tumor)

Name: LOINC Code 84900-0: Other nodule quadrant Nom (Prostate tumor)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:11.791Z

84900-0 is a LOINC code used to identify Other nodule quadrant Nom (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 Other nodule quadrant. 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 Other nodule quadrant. 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

Other nodule quadrant [Anatomy] in Prostate tumor

Other nodule quadrant

The quadrant (e.g. right anterior, right posterior, left anterior or left posterior) in which the other nodule(s) are located. To record the quadrant location of the dominant (largest) nodule, use [LOINC84897-8]. This term was created for, but not limited in use to, the Prostate Cancer (Radical Prostatectomy) Structured Reporting Protocol (2nd Edition, 2014) developed by the Royal College of Pathologists of Australasia (RCPA) for structured reporting of prostate cancer.

Anatomy; Cancer; Nominal; Othr; Pathology; Point in time; Prost; Prostatic; PrT; 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

Other nodule quadrant Nom (Prostate tumor)Other nodule quadrant [Anatomy] in Prostate tumorNodule quad PrTOther nodule quadrantPATHOther nodule quadrant, Prostate TumorAnat

Frequently asked questions

Code details

Code84900-0

SystemLOINC

Display nameOther nodule quadrant Nom (Prostate tumor)

DescriptionOther nodule quadrant

Short nameNodule quad PrT

ComponentOther nodule quadrant

PropertyAnat

TimingPt

System (specimen)Prostate tumor

ScaleNom

ClassPATH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.58

Last changed2.71

Consumer names

Other nodule quadrant, Prostate Tumor

Part names

Other nodule quadrantAnatPtProstate tumorNomAnatomyPoint 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.