LOINCActiveObservation

LOINC Code 10046-1: S wave duration in lead AVF

10046-1 is a LOINC code used to identify S wave duration in lead AVF 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 S wave duration.lead AVF. 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 S wave duration.lead AVF. 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

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

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

S wave duration in lead AVFS wave dur L-AVFS wave duration.lead AVFEKG.MEASTimePtHeart

Frequently asked questions

Code details

Code10046-1
SystemLOINC
Display nameS wave duration in lead AVF
DescriptionS wave duration.lead AVF
Short nameS wave dur L-AVF
ComponentS wave duration.lead AVF
PropertyTime
TimingPt
System (specimen)Heart
ScaleQn
MethodEKG
ClassEKG.MEAS
Example unitss
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

S wave duration.lead AVFTimePtHeartQnEKGTime (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 10046-1 | HealthAssure