LOINCActiveObservation

LOINC Code 82634-7: Maximum phase [Angle] Left ventricle SPECT --resting

82634-7 is a LOINC code used to identify Maximum phase [Angle] Left ventricle SPECT --resting 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 Phase.max^resting. It is commonly used with the system or sample type Heart.ventricle.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 Phase.max^resting. It is commonly used with the system or sample type Heart.ventricle.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: Observation
  • Method: NM.SPECT

What it does not mean

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

Key facts

  • Maximum phase [Angle] Left ventricle SPECT --resting
  • Phase.max^resting
  • CARD.PROC; Cardiac; Cardio; Cardiology; Heart Disease; Hrt; Hrt ventr; L; Largest; LT; LV; Max phase; Maximal; Maximum; Peak; Point in time; QNT; Quan; Quant; Quantitative; Rad; Radiology; Random; Ventricular

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

Maximum phase [Angle] Left ventricle SPECT --restingMax phase Resting Angle LV SPECTPhase.max^restingCARD.PROCAnglePtHeart.ventricle.left

Frequently asked questions

Code details

Code82634-7
SystemLOINC
Display nameMaximum phase [Angle] Left ventricle SPECT --resting
DescriptionPhase.max^resting
Short nameMax phase Resting Angle LV SPECT
ComponentPhase.max^resting
PropertyAngle
TimingPt
System (specimen)Heart.ventricle.left
ScaleQn
MethodNM.SPECT
ClassCARD.PROC
Example unitsdeg
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.58

Part names

Phase.max^restingAnglePtHeart.ventricle.leftQnNM.SPECTPoint in time (spot)Heart ventricle - leftSPECT

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 82634-7 | HealthAssure