LOINC Code 12171-5: Fetal Lateral cerebral ventricles Transverse width US
12171-5 is a LOINC code used to identify Fetal Lateral cerebral ventricles Transverse width US in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Width.transverse. It is commonly used with the system or sample type Head.lateral cerebral ventricles^Fetus.
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 Width.transverse. It is commonly used with the system or sample type Head.lateral cerebral ventricles^Fetus.
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.measured
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Fetal Lateral cerebral ventricles Transverse width US
- Width.transverse
- Measured from the falx midline echo to the widest part of the lateral wall of the body of the lateral ventricle.
- Brain; Cereb; Cerebral vents; Cranial; Cranium; Echoencephalogram; Echoencephalography; Echography; Fetal; Gyn; Gynecology; Head.Lat Cerebral vents^Fetus; Intracranial; Lat; Lateral ventricular width; Length; LV; LVW; Neuro; Neurology; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; QNT; Quan; Quant; Quantitative; Random; Skull; Sonogram; Sonograph; Sonography; ULS; Ultrasound; US+Meas; Ventricular
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
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.