92926-5

LOINC Code


LOINC code92926-5
name
descriptionOne of the first steps in radiation oncology treatment planning is radiation simulation, during which detailed imaging is done to show the precise location of a patient's tumor and the surrounding healthy tissue. This information guides treatment planning in that it is used to determine the optimal patient positioning, to mark the patient's skin with small dots of permanent ink (tattoos) to ensure that the same precise area is treated each time, and to create custom immobilization devices such as a face mask or a leg mold. Various modalities may be used for radiation simulation to guide radiation treatment planning, including computed tomography (CT) [LOINC: 79072-5] or CT WO & W contrast (this term), magnetic resonance imaging (MR) [LOINC: 82123-1] , positron emission tomography (PT) [LOINC: 82126-4] and ultrasound (US) [LOINC: 82124-9].
statusACTIVE

Fully-Specified Name

componentGuidance for radiation treatment^WO & W contrast IV
    IV  =  Intravenous
propertyFind  =  Finding
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemXXX
scaleDoc  =  Document:  A document that could be in many formats (XML, narrative, etc.)
methodCT

Additional Names

short namec; CAT scan; Computed tomography; Computerized tomography; Contr; Contra; Contrst; CT scan; Document; Finding; Findings; Guid; Guide; Guided; Imaging; Misc; Miscellaneous; Other; Point in time; Radiology; Random; RT; Simulation; Spec; To be specified in a

Basic Attributes

classRAD
type2  Clinical
order vs. observationCT Guided RT--W

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

Member of these Groups

LG41853-9Region imaged: Unspecified (XXX)

History/Usage

first released
last updated2.67
last change typeMIN  - change to field other than name

Related Names



Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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