LOINCActiveBoth

LOINC Code 76640-2: Coronary artery catheterization study

76640-2 is a LOINC code used to identify Coronary artery catheterization study 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 Coronary artery catheterization study. It is commonly used with the system or sample type Coronary arteries.

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 Coronary artery catheterization study. It is commonly used with the system or sample type Coronary arteries.

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

What it does not mean

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

Key facts

Coronary artery catheterization study
This term represents a coronary angiography study. Coronary angiography is a type of cardiac catheterization study in which a dye is injected into the bloodstream in order to visualize the coronary arteries that supply blood to the heart and see if any of the arteries are partially or completely blocked. [PMHID18367060]
CARD.PROC; Cardiology; Coronary aa; Document; Finding; Findings; Heart; Point in time; Random; Study 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

Coronary artery catheterization studyCoronary aa cath studyCARD.PROCFindPtCoronary arteriesDoc

Frequently asked questions

Code details

Code76640-2
SystemLOINC
Display nameCoronary artery catheterization study
Short nameCoronary aa cath study
ComponentCoronary artery catheterization study
PropertyFind
TimingPt
System (specimen)Coronary arteries
ScaleDoc
ClassCARD.PROC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.72

Part names

Coronary artery catheterization studyFindPtCoronary arteriesDocFindingPoint 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 76640-2 | HealthAssure