LOINC Code 11817-4: Fetal Amniotic fluid space Diameter largest pocket US
11817-4 is a LOINC code used to identify Fetal Amniotic fluid space Diameter largest pocket 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 Diameter product.largest pocket. It is commonly used with the system or sample type Am fld space^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 Diameter product.largest pocket. It is commonly used with the system or sample type Am fld space^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 Amniotic fluid space Diameter largest pocket US
- Diameter product.largest pocket
- Sound path perpendicular (normal) to the surface of the uterus. Length, width and depth measures of the largest pocket of amniotic fluid multiplied together. (Individual measurements are not recorded.)
- AF space; AF space^Fetus; Amniotic fluid; APADxTAD; AxT; DIA; Diam; Diam lgst pk; Diam prod; Echography; Fetal; Gyn; Gynecology; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; Product of anterior-posterior abdominal diameter & transverse abdominal diameter; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; US+Meas
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.