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LOINC Code 84885-3: Surgical margin tumor involvement.circumferential Ql (Colorectal cancer specimen)

84885-3 is a LOINC code used to identify Surgical margin tumor involvement.circumferential Ql (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.circumferential. 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.circumferential. 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

Surgical margin tumor involvement.circumferential [Presence] in Colorectal cancer specimen
Surgical margin tumor involvement.circumferential
The result for whether or not the circumferential resection margin (CRM) on the non-peritonealized surface of the resected specimen is involved. CRM involvement (1mm or less distance between tumor and CRM) is an important predictor of local recurrence in rectal carcinoma.[PMID16328130] 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; CRC spec; Marg tumor invol.circ; Marg tumor involve; Ordinal; Pathology; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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.circumferential Ql (Colorectal cancer specimen)Surgical margin tumor involvement.circumferential [Presence] in Colorectal cancer specimenMarg tumor invol.circ CRC spec QlSurgical margin tumor involvement.circumferentialPATHSurgical margin tumor involvement.circumferential, Colorectal cancer specimenPrThr

Frequently asked questions

Code details

Code84885-3
SystemLOINC
Display nameSurgical margin tumor involvement.circumferential Ql (Colorectal cancer specimen)
DescriptionSurgical margin tumor involvement.circumferential
Short nameMarg tumor invol.circ CRC spec Ql
ComponentSurgical margin tumor involvement.circumferential
PropertyPrThr
TimingPt
System (specimen)Colorectal cancer specimen
ScaleOrd
ClassPATH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Surgical margin tumor involvement.circumferential, Colorectal cancer specimen

Part names

Surgical margin tumor involvement.circumferentialPrThrPtColorectal 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.