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LOINC Code 84883-8: Deepest extent of tumor invasion Nom (Colorectal cancer specimen)

84883-8 is a LOINC code used to identify Deepest extent of tumor invasion 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 Deepest extent of tumor invasion. 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 Deepest extent of tumor invasion. 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

What it does not mean

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

Key facts

Deepest extent of tumor invasion [Type] in Colorectal cancer specimen
Deepest extent of tumor invasion
The deepest extent or maximum degree of local tumor invasion into or through the bowel wall. Results are based on the T component of the TNM staging system, as outlined in the AJCC Cancer Staging Manual.[PMID20180029] Invasion depths include submucosa (pT1), muscularis propria (pT2), through muscularis propria into pericolorectal tissues (pT3), penetrating the visceral peritoneum (pT4a), and directly invading or adherent to other organs or structures (pT4b). This term was created for, but not limited in use to, the Colorectal Cancer Structured Reporting Protocol (2nd Edition, 2012) developed by the Royal College of Pathologists of Australasia (RCPA).
CA; Ca spec; Clark level; Clarks level; CRC spec; Deepest tumor invasion; Nominal; Pathology; Point in time; Random; Spec; Typ

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

Deepest extent of tumor invasion Nom (Colorectal cancer specimen)Deepest extent of tumor invasion [Type] in Colorectal cancer specimenDeepest tumor invasion CRC specDeepest extent of tumor invasionPATHDeepest extent of tumor invasion, Colorectal cancer specimenType

Frequently asked questions

Code details

Code84883-8
SystemLOINC
Display nameDeepest extent of tumor invasion Nom (Colorectal cancer specimen)
DescriptionDeepest extent of tumor invasion
Short nameDeepest tumor invasion CRC spec
ComponentDeepest extent of tumor invasion
PropertyType
TimingPt
System (specimen)Colorectal cancer specimen
ScaleNom
ClassPATH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.71

Consumer names

Deepest extent of tumor invasion, Colorectal cancer specimen

Part names

Deepest extent of tumor invasionTypePtColorectal cancer specimenNomPoint 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.