LOINCActiveObservation

LOINC Code 81168-7: Site of adjacent organ or tissue involvement Cancer specimen

81168-7 is a LOINC code used to identify Site of adjacent organ or tissue involvement 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 Site of adjacent organ or tissue involvement. It is commonly used with the system or sample type 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 Site of adjacent organ or tissue involvement. It is commonly used with the system or sample type 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

  • Site of adjacent organ or tissue involvement Cancer specimen
  • Site of adjacent organ or tissue involvement
  • Tumor stages are based on the extent of the involvement of adjacent tissues or organs, such as skin, liver, spleen, or pancreas as well as distal spread (i.e., metastasis). This term is used to report which adjacent tissue or organ(s) the tumor has spread to from the primary organ involved.
  • Adj org or tiss involved; Anatomy; CA; Ca spec; CLIN; Nominal; Point in time; Random; Spec

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

Site of adjacent organ or tissue involvement Cancer specimenAdj org or tiss involved Ca specSite of adjacent organ or tissue involvementCLINAnatPtCancer specimen

Frequently asked questions

Code details

Code81168-7
SystemLOINC
Display nameSite of adjacent organ or tissue involvement Cancer specimen
DescriptionSite of adjacent organ or tissue involvement
Short nameAdj org or tiss involved Ca spec
ComponentSite of adjacent organ or tissue involvement
PropertyAnat
TimingPt
System (specimen)Cancer specimen
ScaleNom
ClassCLIN
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.61

Part names

Site of adjacent organ or tissue involvementAnatPtCancer specimenNomAnatomyPoint 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.