What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 81000-2: TIMI grade Coronary artery segment --pre procedure

Name: LOINC Code 81000-2: TIMI grade Coronary artery segment --pre procedure
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:03.794Z

81000-2 is a LOINC code used to identify TIMI grade Coronary artery segment --pre procedure 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 TIMI grade^pre procedure. It is commonly used with the system or sample type Coronary arteries.segment.

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 TIMI grade^pre procedure. It is commonly used with the system or sample type Coronary arteries.segment.

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
Method: Angiogram

What it does not mean

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

Key facts

TIMI grade Coronary artery segment --pre procedure
TIMI grade^pre procedure
Ang; Angio; Angm; Before; CARD.PROC; Cardio; Cardiology; Cor aa seg; Coronary aa; Heart; Heart Disease; Ordinal; Point in time; QL; Qual; Qualitative; Random; Scale; Scre; 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

TIMI grade Coronary artery segment --pre procedureTIMI grade pre procedureTIMI grade^pre procedureCARD.PROCScorePtCoronary arteries.segment

Frequently asked questions

Code details

Code81000-2

SystemLOINC

Display nameTIMI grade Coronary artery segment --pre procedure

DescriptionTIMI grade^pre procedure

Short nameTIMI grade pre procedure

ComponentTIMI grade^pre procedure

PropertyScore

TimingPt

System (specimen)Coronary arteries.segment

ScaleOrd

MethodAngiogram

ClassCARD.PROC

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.56

Last changed2.56

Part names

TIMI grade^pre procedureScorePtCoronary arteries.segmentOrdAngiogramPoint in time (spot)Coronary artery segmentCardiac angiogram

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.