What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 18058-8: Pulmonic valve Peak pressure gradient by US.doppler

Name: LOINC Code 18058-8: Pulmonic valve Peak pressure gradient by US.doppler
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:27.585Z

18058-8 is a LOINC code used to identify Pulmonic valve Peak pressure gradient 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 Pressure gradient.max. 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 Pressure gradient.max. 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.doppler

What it does not mean

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

Key facts

Pulmonic valve Peak pressure gradient by US.doppler
Pressure gradient.max
CARD.US; Cardio; Cardiology; DOP; DUPLEX; Echography; Grad; Heart Disease; Largest; Maximal; Maximum; Peak; Peak press grad; Point in time; Press grad; PV; PVG; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; 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

Pulmonic valve Peak pressure gradient by US.dopplerPV Peak press grad DOPPressure gradient.maxCARD.USPressDiffPtPulmonic valve

Frequently asked questions

Code details

Code18058-8

SystemLOINC

Display namePulmonic valve Peak pressure gradient by US.doppler

DescriptionPressure gradient.max

Short namePV Peak press grad DOP

ComponentPressure gradient.max

PropertyPressDiff

TimingPt

System (specimen)Pulmonic valve

ScaleQn

MethodUS.doppler

ClassCARD.US

Example unitsmm Hg

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.67

Part names

Pressure gradient.maxPressDiffPtPulmonic valveQnUS.dopplerGradient maximumPressure DifferencePoint 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.