LOINCActiveObservation

LOINC Code 11860-4: Fetal Cisterna magna Diameter.sagittal US

11860-4 is a LOINC code used to identify Fetal Cisterna magna Diameter.sagittal 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.sagittal. It is commonly used with the system or sample type Cisterna magna^Fetus.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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.sagittal. It is commonly used with the system or sample type Cisterna magna^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 Cisterna magna Diameter.sagittal US
  • Diameter.sagittal
  • Sagittal diameter of the cisterna magna from the posterior aspect of the cerebellum to the inner aspect of the occipital bone measured in the same plane as is used to determine the maximal transaxial cerebellar diameter
  • DIA; Diam; Echography; Fetal; Gyn; Gynecology; Length; Neuro; Neurology; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; 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

Fetal Cisterna magna Diameter.sagittal USFet Cisterna magna Diam US.measDiameter.sagittalOB.USLenPtCisterna magna^fetus

Frequently asked questions

Code details

Code11860-4
SystemLOINC
Display nameFetal Cisterna magna Diameter.sagittal US
DescriptionDiameter.sagittal
Short nameFet Cisterna magna Diam US.meas
ComponentDiameter.sagittal
PropertyLen
TimingPt
System (specimen)Cisterna magna^Fetus
ScaleQn
MethodUS.measured
ClassOB.US
Example unitsmm
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.48

Part names

Diameter.sagittalLenPtCisterna magna^fetusQnUS.measuredLengthPoint in time (spot)Ultrasound.measured

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.