LOINCActive

LOINC Code 21966-7: Regional outcomes of Radiation treatment

21966-7 is a LOINC code used to identify Regional outcomes of Radiation treatment 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 Regional outcomes of. It is commonly used with the system or sample type Radiation.Rx.

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 Regional outcomes of. It is commonly used with the system or sample type Radiation.Rx.

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

What it does not mean

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

Key facts

  • Regional outcomes of Radiation treatment
  • Regional outcomes of
  • Refers to tumor control within irradiated volume and 1st course of treatment. The NAACCR UDSC approved to retire this data item in Version 11... NAACCR Data Standards and Data Dictionary Version 11
  • Nominal; Oncology; Point in time; Rad; Radiation Rx; Random; Reg outcomes of; Treatment; TUMOR REGISTRY(NAACCR); 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

Regional outcomes of Radiation treatmentReg outcomes of Radiation RxRegional outcomes ofTUMRRGTTypePtRadiation.Rx

Frequently asked questions

Code details

Code21966-7
SystemLOINC
Display nameRegional outcomes of Radiation treatment
DescriptionRegional outcomes of
Short nameReg outcomes of Radiation Rx
ComponentRegional outcomes of
PropertyType
TimingPt
System (specimen)Radiation.Rx
ScaleNom
ClassTUMRRGT
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.32

Part names

Regional outcomes ofTypePtRadiation.RxNomPoint in time (spot)Radiation Rx

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.