LOINCActiveObservation

LOINC Code 107453-3: Circulating tumor DNA Nar [Interp]

107453-3 is a LOINC code used to identify Circulating tumor DNA Nar [Interp] 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 Circulating tumor DNA. It is commonly used with the system or sample type ^Patient.

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 Circulating tumor DNA. It is commonly used with the system or sample type ^Patient.

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

  • Circulating tumor DNA [Interpretation] Narrative
  • Circulating tumor DNA
  • Circ; Circ tumor; Circ tumor DNA; Deoxyribonucleic acid; HEMATOLOGY/CELL COUNTS; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Point in time; Random; Report

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

Circulating tumor DNA Nar [Interp]Circulating tumor DNA [Interpretation] NarrativeCirc tumor DNA Patient-ImpCirculating tumor DNAHEM/BCInterpretation of Circulating tumor test resultImp

Frequently asked questions

Code details

Code107453-3
SystemLOINC
Display nameCirculating tumor DNA Nar [Interp]
DescriptionCirculating tumor DNA
Short nameCirc tumor DNA Patient-Imp
ComponentCirculating tumor DNA
PropertyImp
TimingPt
System (specimen)^Patient
ScaleNar
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

Interpretation of Circulating tumor test result

Part names

Circulating tumor DNAImpPt^PatientNarImpression/interpretation of studyPoint 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 107453-3 | HealthAssure