LOINCActiveObservation

LOINC Code 18000-0: Tricuspid valve Deceleration [Time] by US.doppler

18000-0 is a LOINC code used to identify Tricuspid valve Deceleration [Time] by US.doppler 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 Deceleration. It is commonly used with the system or sample type Tricuspid 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 Deceleration. It is commonly used with the system or sample type Tricuspid 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.doppler

What it does not mean

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

Key facts

  • Tricuspid valve Deceleration [Time] by US.doppler
  • Deceleration
  • CARD.US; Cardio; Cardiology; Dec; DOP; DT; DUPLEX; Echography; Heart Disease; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; TV; ULS; Ultrasound

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

Tricuspid valve Deceleration [Time] by US.dopplerTV Decel Time DOPDecelerationCARD.USTimePtTricuspid valve

Frequently asked questions

Code details

Code18000-0
SystemLOINC
Display nameTricuspid valve Deceleration [Time] by US.doppler
DescriptionDeceleration
Short nameTV Decel Time DOP
ComponentDeceleration
PropertyTime
TimingPt
System (specimen)Tricuspid valve
ScaleQn
MethodUS.doppler
ClassCARD.US
Example unitsms
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

DecelerationTimePtTricuspid valveQnUS.dopplerTime (e.g. seconds)Point in time (spot)Ultrasound.doppler

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 18000-0 | HealthAssure