LOINCActiveObservation

LOINC Code 18147-9: Central cardiovascular Overall Study observation by US

18147-9 is a LOINC code used to identify Central cardiovascular Overall Study observation 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 Study observation.overall. It is commonly used with the system or sample type Cardiovascular.central.

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 Study observation.overall. It is commonly used with the system or sample type Cardiovascular.central.

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

  • Central cardiovascular Overall Study observation by US
  • Study observation.overall
  • CARD.US; Cardio; Cardiology; Cent CV; Echography; Heart Disease; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; Point in time; Random; Sonogram; Sonograph; Sonography; Study report; 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

Central cardiovascular Overall Study observation by USUS Cent CV Study [Imp]Study observation.overallCARD.USImpPtCardiovascular.central

Frequently asked questions

Code details

Code18147-9
SystemLOINC
Display nameCentral cardiovascular Overall Study observation by US
DescriptionStudy observation.overall
Short nameUS Cent CV Study [Imp]
ComponentStudy observation.overall
PropertyImp
TimingPt
System (specimen)Cardiovascular.central
ScaleNom
MethodUS
ClassCARD.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.40

Part names

Study observation.overallImpPtCardiovascular.centralNomUSStudy observationImpression/interpretation of studyPoint in time (spot)Cardiovascular centralUltrasound

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 18147-9 | HealthAssure