LOINC Code 29452-0: Pulmonary vein Maximum blood flow velocity during systole/Maximum blood flow velocity during diastole by US.doppler derived

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.systole.max/Blood flow velocity.diastole.max. It is commonly used with the system or sample type Pulmonary vein.

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.derived

What it does not mean

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

Key facts

• Pulmonary vein Maximum blood flow velocity during systole/Maximum blood flow velocity during diastole by US.doppler derived
• Blood flow velocity.systole.max/Blood flow velocity.diastole.max
• Bld flow; Bld flow vel; Bld flow.velocity; CARD.US; Cardio; Cardiology; Dias; Dias.max; Diast; Diastoli; DOP; DOP.der; DUPLEX; Dynamic; Echography; Heart Disease; Largest; Maximal; Maximum; Peak; Point in time; Pulm v; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Sys; Sys.max; Syst; ULS; Ultrasound; V sys; Vel; Velocity ratio; Ven; Venous; Vmax dias; 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