LOINCActiveObservation

LOINC Code 20295-2: Pulmonic valve Q-wave to closure [Time] by US

20295-2 is a LOINC code used to identify Pulmonic valve Q-wave to closure [Time] by US 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 Q-wave to closure. It is commonly used with the system or sample type Pulmonic valve.

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 Q-wave to closure. It is commonly used with the system or sample type Pulmonic valve.

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: US.measured

What it does not mean

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

Key facts

  • Pulmonic valve Q-wave to closure [Time] by US
  • Q-wave to closure
  • CARD.US; Cardio; Cardiology; Echography; Heart Disease; Point in time; PV; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; US+Meas

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

Pulmonic valve Q-wave to closure [Time] by USPV Q-wave to closure Time US.measQ-wave to closureCARD.USTimePtPulmonic valve

Frequently asked questions

Code details

Code20295-2
SystemLOINC
Display namePulmonic valve Q-wave to closure [Time] by US
DescriptionQ-wave to closure
Short namePV Q-wave to closure Time US.meas
ComponentQ-wave to closure
PropertyTime
TimingPt
System (specimen)Pulmonic valve
ScaleQn
MethodUS.measured
ClassCARD.US
Example unitsms
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.54

Part names

Q-wave to closureTimePtPulmonic valveQnUS.measuredTime (e.g. seconds)Point in time (spot)Ultrasound.measured

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 20295-2 | HealthAssure