LOINCActiveObservation

LOINC Code 81166-1: Surgical resection Stomach cancer

81166-1 is a LOINC code used to identify Surgical resection Stomach cancer 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 resection. It is commonly used with the system or sample type Stomach cancer.

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 resection. It is commonly used with the system or sample type Stomach cancer.

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 resection Stomach cancer
  • Surgical resection
  • Surgical resection is performed for the removal of abnormal tissue, such as tumors. The type of resection performed will be based on the tumor location, size, and type, as well as the patient's overall health. Gastric surgical resection types include esophagogastrectomy, total gastrectomy, subtotal (proximal or distal) gastrectomy, and others.
  • CA; Gastric cancer; Gastric Cancers; Nominal; Point in time; Random; Surg; 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

Surgical resection Stomach cancerSurgical resectionSURGTypePtStomach cancerNom

Frequently asked questions

Code details

Code81166-1
SystemLOINC
Display nameSurgical resection Stomach cancer
DescriptionSurgical resection
Short nameSurgical resection Stomach cancer
ComponentSurgical resection
PropertyType
TimingPt
System (specimen)Stomach cancer
ScaleNom
ClassSURG
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Surgical resectionTypePtStomach cancerNomPoint 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.

LOINC Code 81166-1 | HealthAssure