LOINCActiveBoth

LOINC Code 42334-3: RFA Guidance for injection of Internal thoracic artery - left

42334-3 is a LOINC code used to identify RFA Guidance for injection of Internal thoracic artery - left 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 Guidance for injection. It is commonly used with the system or sample type Chest>Internal thoracic artery.left.

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 Guidance for injection. It is commonly used with the system or sample type Chest>Internal thoracic artery.left.

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: RF.angio

What it does not mean

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

Key facts

  • RFA Guidance for injection of Internal thoracic artery - left
  • Guidance for injection
  • Art; Cardio; Cardiology; Document; Finding; Findings; Fluor; Fluoro; Fluoroscopy; Guid; Guide; Guided; Heart Disease; IMA; Imaging; Inj; Internal Mammary Arteries; IT a; IT a-L; L; LT; Mammary; Point in time; Rad; Radiology; Random; RFA; Thorax

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

RFA Guidance for injection of Internal thoracic artery - leftRFA Guided IT a-L InjGuidance for injectionRADFindPtChest>Internal thoracic artery.left

Frequently asked questions

Code details

Code42334-3
SystemLOINC
Display nameRFA Guidance for injection of Internal thoracic artery - left
DescriptionGuidance for injection
Short nameRFA Guided IT a-L Inj
ComponentGuidance for injection
PropertyFind
TimingPt
System (specimen)Chest>Internal thoracic artery.left
ScaleDoc
MethodRF.angio
ClassRAD
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.64

Part names

Guidance for injectionFindPtChest>Internal thoracic artery.leftDocRF.angioLeftTrueChestInjectionGuidanceAngioRFInternal thoracic arteryFindingPoint in time (spot)Internal thoracic artery - leftRadio fluoroscopy angiographyRadio fluoroscopy

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.