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LOINC Code 74156-1: Oncology Plan of care and summary note

74156-1 is a LOINC code used to identify Oncology Plan of care and summary note 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 Plan of care+summary note. It is commonly used with the system or sample type {Setting}.

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 Plan of care+summary note. It is commonly used with the system or sample type {Setting}.

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: Both
  • Method: Oncology

What it does not mean

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

Key facts

Oncology Plan of care and summary note
Plan of care+summary note
The Oncology Treatment Plan and Summary document provides a limited summary of a patient's care during and/or after treatment and continue to serve as a form of on-going communication to augment the coordination of care between health care providers while a patient is receiving care. Providers involved in the care of the patient may include the patient's primary care provider, medical oncologist, surgical oncologist, and radiation oncologist. This term was created for, but not limited in use to, the HL7 Implementation Guide for CDA, Release 2®Clinical Oncology Treatment Plan and Summary. This guide was derived from the American Society of Clinical Oncology (ASCO) Breast Cancer Adjuvant Treatment Plan and Summary. However, the templates in this document are not restrictive and can be applied to other types of cancer.
Cancer; Care plan; Care plan+summary note; DOC.ONT; Document; Encounter; Evaluation and management; Evaluation and management note; Finding; Findings; notes; Oncology; Point in time; Random; Treatment plan; Treatment plan+summary; Visit note

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

Oncology Plan of care and summary noteOncology Care plan+summary notePlan of care+summary noteDOC.ONTOLOGYFindPt{Setting}

Frequently asked questions

Code details

Code74156-1
SystemLOINC
Display nameOncology Plan of care and summary note
DescriptionPlan of care+summary note
Short nameOncology Care plan+summary note
ComponentPlan of care+summary note
PropertyFind
TimingPt
System (specimen){Setting}
ScaleDoc
MethodOncology
ClassDOC.ONTOLOGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.63

Part names

Plan of care+summary noteFindPt{Setting}DocOncologySummaryPlan of careNotePlan of care and summary noteFindingPoint 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.