LOINCActiveObservation

LOINC Code 18109-9: Mitral valve Prosthetic valve type by US

18109-9 is a LOINC code used to identify Mitral valve Prosthetic valve type 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 Prosthetic valve type. It is commonly used with the system or sample type Mitral 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 Prosthetic valve type. It is commonly used with the system or sample type Mitral 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

What it does not mean

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

Key facts

  • Mitral valve Prosthetic valve type by US
  • Prosthetic valve type
  • CARD.US; Cardio; Cardiology; Echography; Heart Disease; Identity or presence; MV; Nominal; Point in time; Prosth type; Prosth valve typ; 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

Mitral valve Prosthetic valve type by USMV Prosth valve typ USProsthetic valve typeCARD.USPridPtMitral valve

Frequently asked questions

Code details

Code18109-9
SystemLOINC
Display nameMitral valve Prosthetic valve type by US
DescriptionProsthetic valve type
Short nameMV Prosth valve typ US
ComponentProsthetic valve type
PropertyPrid
TimingPt
System (specimen)Mitral valve
ScaleNom
MethodUS
ClassCARD.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.27

Part names

Prosthetic valve typePridPtMitral valveNomUSPresence or IdentityPoint in time (spot)Ultrasound

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 18109-9 | HealthAssure