LOINCActiveObservation

LOINC Code 12058-4: Fetal Choroid plexus Narrative Study observation US

12058-4 is a LOINC code used to identify Fetal Choroid plexus Narrative Study observation 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 Study observation. It is commonly used with the system or sample type Head.choroid plexus^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 Study observation. It is commonly used with the system or sample type Head.choroid plexus^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

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Fetal Choroid plexus Narrative Study observation US
  • Study observation
  • Brain; Cranial; Cranium; Echoencephalogram; Echoencephalography; Echography; Fetal; Finding; Findings; Gyn; Gynecology; Intracranial; Narrative; Neuro; Neurology; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; Random; Report; Skull; Sonogram; Sonograph; Sonography; Study report; ULS; Ultrasound

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 Choroid plexus Narrative Study observation USUS Head.Choroid plexus Fetus StudyStudy observationOB.USFindPtHead.choroid plexus^fetus

Frequently asked questions

Code details

Code12058-4
SystemLOINC
Display nameFetal Choroid plexus Narrative Study observation US
DescriptionStudy observation
Short nameUS Head.Choroid plexus Fetus Study
ComponentStudy observation
PropertyFind
TimingPt
System (specimen)Head.choroid plexus^Fetus
ScaleNar
MethodUS
ClassOB.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.40

Part names

Study observationFindPtHead.choroid plexus^fetusNarUSFindingPoint in time (spot)Ultrasound

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.

LOINC Code 12058-4 | HealthAssure