LOINC Code 11720-0: Main pulmonary artery Peak systolic flow velocity US.doppler

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 Blood flow velocity.systolic.max. It is commonly used with the system or sample type Pulmonary artery.main.

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

• Main pulmonary artery Peak systolic flow velocity US.doppler
• Blood flow velocity.systolic.max
• Maximum value of the Doppler shift frequency envelope. If System is Patient or if System is Fetus or Other but the context is supplied by DICOM Supplement 23-Structured Reporting, Observation Subject context Module (C.6.12).
• Art; Bld flow; Bld flow vel; Bld flow.velocity; Cardio; Cardiology; DOP; DUPLEX; Dynamic; Echography; Gyn; Gynecology; Heart Disease; Largest; Max V; Maximal; Maximum; MPA; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; PA; Peak; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; V max; Vel; VEL max; Velocity; Vmax; Vmax sys

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

Frequently asked questions