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 98261-1: Stromal invasion Ql (Endometrial cancer specimen)

Name: LOINC Code 98261-1: Stromal invasion Ql (Endometrial cancer specimen)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:31.429Z

98261-1 is a LOINC code used to identify Stromal invasion Ql (Endometrial cancer specimen) 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 Stromal invasion. It is commonly used with the system or sample type Endometrial cancer specimen.

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 Stromal invasion. It is commonly used with the system or sample type Endometrial cancer specimen.

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

Stromal invasion [Presence] in Endometrial cancer specimen
Stromal invasion
CA; Ca spec; Cancer of the corpus uteri; Cervical surface involvement; Crypt involvement; EC spec; Female reproductive organs; Oncology; Ordinal; Pathology; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; Uterine cancer; Uterine Cancers

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

Stromal invasion Ql (Endometrial cancer specimen)Stromal invasion [Presence] in Endometrial cancer specimenStromal invasion EC spec QlStromal invasionPATHStromal invasion, Endometrial cancer specimenPrThr

Frequently asked questions

Code details

Code98261-1

SystemLOINC

Display nameStromal invasion Ql (Endometrial cancer specimen)

DescriptionStromal invasion

Short nameStromal invasion EC spec Ql

ComponentStromal invasion

PropertyPrThr

TimingPt

System (specimen)Endometrial cancer specimen

ScaleOrd

ClassPATH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.71

Last changed2.71

Consumer names

Stromal invasion, Endometrial cancer specimen

Part names

Stromal invasionPrThrPtEndometrial cancer specimenOrdPresence or ThresholdPoint 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.