LOINC Code 11998-2: Cerebral artery anterior Pulsatility index 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 Pulsatility index. It is commonly used with the system or sample type Cerebral artery anterior.

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 anterior Pulsatility index US.doppler
• Pulsatility index
• For use when the System is Patient or when the System is Fetus or Other but the context is supplied by DICOM Supplement 23-Structured Reporting, Observation Subject context Module (C.6.12).
• Art; Cardio; Cardiology; Cereb; Cerebral a Ant; DOP; DUPLEX; Echography; Gyn; Gynecology; Heart Disease; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; PI; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Velocity ratio

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