LOINC

LOINC Code 66623-0: Angina or coronary artery bypass [Reported]

66623-0 is a LOINC code used to identify Angina or coronary artery bypass [Reported] 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 Angina or coronary artery bypass. 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 Angina or coronary artery bypass. 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: TRIAL
  • Method: Reported

What it does not mean

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

Key facts

  • Angina or coronary artery bypass [Reported]
  • Angina or coronary artery bypass
  • Angina or coronary bypass; History; Ordinal; PhenX; Point in time; QL; Qual; Qualitative; Random; Screen

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

Angina or coronary artery bypass [Reported]Angina or coronary bypass ReportedAngina or coronary artery bypassPHENXHxPt^Patient

Frequently asked questions

Code details

Code66623-0
SystemLOINC
Display nameAngina or coronary artery bypass [Reported]
DescriptionAngina or coronary artery bypass
Short nameAngina or coronary bypass Reported
ComponentAngina or coronary artery bypass
PropertyHx
TimingPt
System (specimen)^Patient
ScaleOrd
MethodReported
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.65

Part names

Angina or coronary artery bypassHxPt^PatientOrdReportedHistoryPoint 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 66623-0 | HealthAssure