Cardiac ultrasound   LP29672-0

LOINC Hierarchy


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▸ A-wave amplitude   LP72027-3

▸ A-wave duration   LP99764-0

▸ A-wave duration.pulmonary vein - A wave duration.mitral valve   LP99775-6

▸ A wave duration.pulmonary vein/A wave duration.mitral valve   LP284833-3

▸ A-wave reversal   LP72028-1

▸ A-wave.max   LP76160-8

▸ A-C duration   LP72034-9

▸ A-C slope   LP72035-6

▸ Acceleration   LP72036-4

▸ Acceleration 2   LP72037-2

▸ Acceleration slope   LP72038-0

▸ Acceleration/Acceleration 2   LP284845-7

▸ Alias velocity   LP99786-3

▸ Aortic valve area method   LP72082-8

▸ AP dimension.left atrium/AP dimension.aorta root   LP304558-2

▸ Apical 2 chamber.diastole.max   LP76161-6

▸ Apical 2 chamber.systole.min   LP76162-4

▸ Apical 4 chamber   LP72087-7

▸ Apical 4 chamber.diastole.max   LP76163-2

▸ Apical 4 chamber.systole.min   LP76164-0

▸ Maximum apical rotation   LP212108-7

▸ Area   LP72094-3

▸ Area 2   LP72095-0

▸ Area.XXX/Area 2.XXX   LP285020-6

▸ Maximum basal rotation   LP212109-5

▸ B-C slope   LP99784-8

▸ Blood flow 2.max   LP76166-5

▸ Blood flow 2.mean   LP76167-3

▸ Blood flow velocity E-wave   LP99769-9

▸ Maximum E-wave velocity   LP203322-5

▸ Blood flow.velocity.max   LP76176-4

▸ Maximum blood flow velocity during systole   LP76155-8

▸ E-wave deceleration time   LP191895-4

▸ Regurgitant blood flow velocity.diastole.min.end   LP72157-8

▸ Blood flow.max   LP76172-3

▸ Blood flow.reverse.max   LP99749-1

▸ Blood flow.systole.max   LP76173-1

▸ Blood flow.systolic.max   LP76175-6

▸ Blood velocity.mean   LP76177-2

▸ Blood velocity-time integral   LP73660-0

▸ Blood velocity-time integral 2   LP73661-8

▸ Velocity-time integral.A-wave   LP99783-0

▸ Velocity-time integral during diastole   LP73663-4

▸ Velocity-time integral.E-wave   LP99782-2

▸ Cardiac echo left ventricular volume method   LP72224-6

▸ Cardiac output   LP19466-9

▸ Cardiac output.2 chamber   LP72226-1

▸ Cardiac output.4 chamber   LP72227-9

▸ Cardiac output/Body surface area   LP304569-9

▸ Cardiac output/Heart rate.2 chamber   LP285218-6

▸ Cardiac output/Heart rate.4 chamber   LP285219-4

▸ Circulatory system   LP72246-9

▸ Circumference   LP72247-7

▸ Circumference 2   LP72248-5

▸ Circumference.transverse   LP99739-2

▸ Circumference.transverse.heart/Circumference.thorax   LP304570-7

▸ Circumference.XXX/Circumference 2.XXX   LP285766-4

▸ Circumferential fiber shortening.mean   LP99778-0

▸ Maximum circumferential strain rate during diastole   LP208537-3

▸ Maximum circumferential strain rate during early diastole   LP208538-1

▸ Maximum circumferential strain rate during systole   LP208539-9

▸ Maximum circumferential strain   LP208533-2

▸ Closure to opening   LP99751-7

▸ Coarctation.flow.max   LP76189-7

▸ Cross section.jet   LP99781-4

▸ Cross section.transverse   LP99742-6

▸ Cross section.transverse.heart/Transverse.thorax   LP304572-3

▸ Crossection   LP72326-9

▸ Cusp separation.max   LP76192-1

▸ D-E excursion   LP72387-1

▸ D-E slope   LP99785-5

▸ Deceleration   LP72389-7

▸ Deceleration 2   LP72390-5

▸ Deceleration slope   LP72391-3

▸ Regurgitant deceleration time slope   LP72392-1

▸ Deceleration.max   LP76193-9

▸ Deceleration.pressure half-time   LP268988-5

▸ Deceleration.pressure.half time   LP72394-7

▸ Deceleration.XXX/Deceleration 2.XXX   LP285867-0

▸ Defect diameter   LP72396-2

▸ Defect.pressure gradient.systole.max   LP76194-7

▸ Defect.pressure gradient.systole.mean   LP76195-4

▸ Defect.velocity.systole.max   LP76196-2

▸ Diameter   LP28662-2

▸ Diameter 2   LP72440-8

▸ Diameter.4 chamber   LP72443-2

▸ Diameter.anterior-posterior.systole   LP72444-0

▸ Diameter.foramen ovale/Diameter.aorta root   LP285897-7

▸ Diameter.left ventricle   LP99747-5

▸ Diameter during systole   LP72459-8

▸ Diastole-systole   LP72463-0

▸ E point to septal separation   LP72501-7

▸ E-wave to septal separation   LP99761-6

▸ E-wave.max   LP76206-9

▸ E wave.max/A wave.max   LP304575-6

▸ E wave/A wave   LP285940-5

▸ E wave/Tissue velocity.E wave.max   LP285941-3

▸ E-F slope   LP72532-2

▸ Effective regurgitant orifice area   LP72534-8

▸ Ejection fraction   LP35012-1

▸ Ejection time   LP72536-3

▸ Ejection time 2   LP72537-1

▸ Ejection time/Ejection time 2   LP285955-3

▸ Emptying maximum   LP76208-5

▸ End-diastolic volume   LP193347-4

▸ Endocardial area   LP99757-4

▸ Epicardial area   LP99756-6

▸ Diastolic filling period   LP72585-0

▸ Flow   LP72595-9

▸ Flow radius   LP99763-2

▸ Flow.XXX   LP72596-7

▸ Fractional area change   LP199282-7

▸ Fractional shortening   LP72609-8

▸ Fractional shortening minor axis   LP73797-0

▸ Fractional thickening freewall   LP72610-6

▸ Fractional thickness; fractional change   LP72611-4

▸ Pressure gradient   LP72651-0

▸ Pressure gradient 2   LP72652-8

▸ Maximum pressure gradient 2   LP76117-8

▸ Pressure gradient 2 mean   LP76118-6

▸ Gradient maximum   LP76121-0

▸ Mean pressure gradient   LP76122-8

▸ Pressure gradient.mean.XXX/Pressure gradient 2.mean.XXX   LP304579-8

▸ Mean pressure gradient during systole   LP76125-1

▸ Height   LP72681-7

▸ Image quality   LP72783-1

▸ Internal diameter minor axis diastole   LP72819-3

▸ Internal diameter minor axis systole   LP72820-1

▸ Intrachamber   LP101977-9

▸ Intrachamber systolic   LP72827-6

▸ Intrachamber diastole   LP72828-4

▸ Intrachamber.systole.max   LP199283-5

▸ Intrachamber systole mean   LP76130-1

▸ Intravascular diastolic   LP72831-8

▸ Intravascular end systolic.XXX   LP72833-4

▸ Intravascular peak systolic.XXX   LP72835-9

▸ Isovolumic contraction time   LP99752-5

▸ Isovolumic relaxation time   LP72854-0

▸ Laterality   LP72864-9

▸ Leaflet separation   LP99767-3

▸ Leaflet thickness   LP99768-1

▸ Length   LP18010-6

▸ Length 2   LP72867-2

▸ Length.XXX/Length 2.XXX   LP286355-5

▸ Maximum longitudinal strain rate during diastole   LP208541-5

▸ Maximum longitudinal strain rate during early diastole   LP208542-3

▸ Maximum longitudinal strain rate during systole   LP208540-7

▸ Maximum longitudinal strain   LP208531-6

▸ Major axis apical diastole   LP72899-5

▸ Major axis apical systole   LP72900-1

▸ Major axis diameter anterior-posterior systole   LP72901-9

▸ Major axis diastole maximum   LP76134-3

▸ Minimum major axis during systole   LP76135-0

▸ Measure duration   LP99766-5

▸ Meridional wall stress   LP99760-8

▸ Minor axis at end diastole   LP76138-4

▸ Minor axis at end diastole.parasternal long axis   LP193442-3

▸ Minor axis at end systole   LP76140-0

▸ Minor axis at end systole.apical 4 chamber   LP72947-2

▸ Minor axis.max   LP76139-2

▸ Minor axis.mitral level.diastole   LP72950-6

▸ Minor axis.mitral level.systole   LP72951-4

▸ Minor axis.papillary level.diastole   LP72952-2

▸ Minor axis.papillary level.systole   LP72953-0

▸ Multisection transesophageal   LP248329-7

▸ Multisection transthoracic   LP248421-2

▸ Myocardial mass   LP201888-7

▸ Myocardial mass/Body surface area   LP286598-0

▸ Myocardial mass/Height exp 2.7   LP286599-8

▸ Myocardial performance index   LP99762-4

▸ Orifice area/Body surface area   LP286731-7

▸ Orifice area minimum   LP76144-2

▸ Orifice area.minor axis.min   LP73019-9

▸ Plane apical diastole   LP73116-3

▸ Plane apical systole   LP73117-1

▸ Planimetry parasternal short axis   LP73118-9

▸ Pre ejection period   LP269096-6

▸ Pre ejection time   LP73136-1

▸ Pre ejection time/Ejection time   LP286882-8

▸ Pressure   LP73147-8

▸ Pressure half time   LP73151-0

▸ Pressure half time during diastole   LP202951-2

▸ Pressure half time velocity maximum   LP76148-3

▸ Pressure half time.XXX   LP73153-6

▸ Procedure   LP73191-6

▸ Procedure stress method   LP73195-7

▸ Prosthetic valve type   LP73200-5

▸ Pulmonic flow/Systemic flow   LP286954-5

▸ Q-wave to closure   LP73221-1

▸ Q-wave to open   LP73222-9

▸ QRS to E wave.max   LP99759-0

▸ QRS to S wave.max   LP99758-2

▸ Maximum radial strain rate during diastole   LP208536-5

▸ Maximum radial strain rate during early diastole   LP208535-7

▸ Maximum radial strain rate during systole   LP208534-0

▸ Maximum radial strain   LP208532-4

▸ Region   LP73261-7

▸ Region crossection   LP73262-5

▸ Region of interest   LP73263-3

▸ Regurgitant blood duration of 1 to 3 meters per second flow velocity   LP212116-0

▸ Regurgitant fraction   LP203311-8

▸ Regurgitant volume   LP73273-2

▸ Regurgitation degree   LP73274-0

▸ Segmental wall appearance   LP73331-8

▸ Segmental wall motion   LP73332-6

▸ Short axis papillary level diastole   LP73343-3

▸ Short axis papillary level systole   LP73344-1

▸ Slope   LP73366-4

▸ Slope 2   LP73367-2

▸ Slope.XXX/Slope 2.XXX   LP304589-7

▸ Stage   LP73395-3

▸ Stenosis degree   LP190754-4

▸ Maximum strain rate during diastole   LP212453-7

▸ Maximum strain rate during early diastole   LP212454-5

▸ Maximum strain rate   LP212455-2

▸ Maximum strain rate during systole   LP221406-4

▸ Stroke volume   LP73417-5

▸ Stroke volume/Body surface area   LP304590-5

▸ Stroke volume/Body surface area.2 chamber   LP304591-3

▸ Stroke volume/Body surface area.4 chamber   LP304592-1

▸ Study diagnosis   LP199286-8

▸ Study observation   LP19257-2

▸ Study observation   LP73420-9

▸ Superior-Inferior   LP73431-6

▸ Systole.max/Systole 2.max   LP304593-9

▸ Systole.mean/Systole 2.mean   LP304594-7

▸ Thickening   LP99755-8

▸ Thickening.fractional change   LP73508-1

▸ Thickness during diastole   LP73509-9

▸ Thickness.septal wall/Thickness.posterior wall   LP287225-9

▸ Thickness during systole   LP76153-3

▸ Time   LP73517-2

▸ Time 2   LP73518-0

▸ Time to peak   LP99779-8

▸ Time.XXX/Time 2.XXX   LP287248-1

▸ Tissue velocity   LP99790-5

▸ Tissue velocity.A-wave.max   LP203323-3

▸ Tissue velocity.E-wave.max   LP191909-3

▸ Tissue velocity.S-wave.max   LP199284-3

▸ Maximum torsion   LP212110-3

▸ Transducer site   LP73544-6

▸ Maximum twist rate   LP212113-7

▸ Ultrasound class   LP73579-2

▸ Maximum untwist rate   LP212114-5

▸ Vendor serial number   LP31575-1

▸ Vendor model number   LP31574-4

▸ Vena contracta diameter   LP190757-7

▸ Regurgitant velocity during diastolic rapid inflow   LP199275-1

▸ Velocity slope   LP73658-4

▸ Velocity slope 2   LP73659-2

▸ Velocity slope.XXX/Velocity slope 2.XXX   LP304595-4

▸ Velocity-time integral.pulmonary vein A wave/Velocity-time integral.mitral valve A wave   LP287363-8

▸ Velocity-time integral.XXX   LP73664-2

▸ Velocity-time integral 2 XXX   LP73662-6

▸ Velocity-time integral.XXX/Velocity-time integral 2.XXX   LP287364-6

▸ Volume   LP73697-2

▸ Volume 2   LP73698-0

▸ Volume.atrium.left/Volume.atrium.right   LP287383-6

▸ Volume.XXX/Volume 2.XXX   LP304597-0

▸ Wall motion index   LP73710-3

▸ Wall segment   LP73711-1

▸ dP/dt   LP285932-2

▸ Regurgitation dP/dT (1 M/S to 3 M/S).systole   LP285933-0

▸ Regurgitation dP/dT (1M/S to 3 M/S)   LP285934-8


Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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