LOINCActiveObservation

LOINC Code 9960-6: QRS duration in lead V6

9960-6 is a LOINC code used to identify QRS duration in lead V6 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 QRS duration.lead V6. It is commonly used with the system or sample type Heart.

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 QRS duration.lead V6. It is commonly used with the system or sample type Heart.

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: EKG

What it does not mean

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

Key facts

  • QRS duration in lead V6
  • QRS duration.lead V6
  • Cardiac; Cardio; Cardiology; Durat; ECG; EKG.MEASUREMENTS; Electrocardiogram; Electrocardiograph; Heart Disease; Hrt; Painter's colic; PB; Plumbism; Point in time; QNT; QRS dur L-V6; Quan; Quant; Quantitative; Random

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

QRS duration in lead V6QRS dur L-V6QRS duration.lead V6EKG.MEASTimePtHeart

Frequently asked questions

Code details

Code9960-6
SystemLOINC
Display nameQRS duration in lead V6
DescriptionQRS duration.lead V6
Short nameQRS dur L-V6
ComponentQRS duration.lead V6
PropertyTime
TimingPt
System (specimen)Heart
ScaleQn
MethodEKG
ClassEKG.MEAS
Example unitsms
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.48

Part names

QRS duration.lead V6TimePtHeartQnEKGTime (e.g. seconds)Point in time (spot)Electrocardiogram (EKG)

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 9960-6 | HealthAssure