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 85294-7: Surgical margin tumor involvement.mucosal LM Nom (Colorectal cancer specimen)

Name: LOINC Code 85294-7: Surgical margin tumor involvement.mucosal LM Nom (Colorectal cancer specimen)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:13.315Z

85294-7 is a LOINC code used to identify Surgical margin tumor involvement.mucosal LM Nom (Colorectal 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 Surgical margin tumor involvement.mucosal. It is commonly used with the system or sample type Colorectal 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 Surgical margin tumor involvement.mucosal. It is commonly used with the system or sample type Colorectal 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
Method: Microscopy.light

What it does not mean

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

Key facts

Surgical margin tumor involvement.mucosal [Identifier] in Colorectal cancer specimen by Light microscopy
Surgical margin tumor involvement.mucosal
CA; Ca spec; CRC spec; Identity or presence; LM; Marg tumor invol.muc; Marg tumor involve; Micro; Micros; Microscopic; Nominal; Pathology; Point in time; Random; Spec; Surg

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

Surgical margin tumor involvement.mucosal LM Nom (Colorectal cancer specimen)Surgical margin tumor involvement.mucosal [Identifier] in Colorectal cancer specimen by Light microscopyMarg tumor invol.muc CRC spec MicroSurgical margin tumor involvement.mucosalPATHSurgical margin tumor involvement.mucosal, Colorectal cancer specimenPrid

Frequently asked questions

Code details

Code85294-7

SystemLOINC

Display nameSurgical margin tumor involvement.mucosal LM Nom (Colorectal cancer specimen)

DescriptionSurgical margin tumor involvement.mucosal

Short nameMarg tumor invol.muc CRC spec Micro

ComponentSurgical margin tumor involvement.mucosal

PropertyPrid

TimingPt

System (specimen)Colorectal cancer specimen

ScaleNom

MethodMicroscopy.light

ClassPATH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.61

Last changed2.61

Consumer names

Surgical margin tumor involvement.mucosal, Colorectal cancer specimen

Part names

Surgical margin tumor involvement.mucosalPridPtColorectal cancer specimenNomMicroscopy.lightPresence or IdentityPoint in time (spot)Light microscopy

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.