LOINC Code 11657-4: Cerebral artery middle Minimal 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.diastolic.min. It is commonly used with the system or sample type Cerebral artery middle.

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

• Cerebral artery middle Minimal flow velocity US.doppler
• Blood flow velocity.diastolic.min
• Minimum value of the maximum Doppler shift frequency envelope. If System is Patient or if System is Fetus or Other but 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; Cereb; Cerebral a Middle; Dias; Diast; Diastoli; DOP; DUPLEX; Dynamic; Echography; Gyn; Gynecology; Heart Disease; Minimal; minimum; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Vel; Velocity; Vmin dias

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