LOINCActiveObservation

LOINC Code 12073-3: Fetal Atrium Study observation US

12073-3 is a LOINC code used to identify Fetal Atrium 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 Heart.atria^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 Heart.atria^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 Atrium Study observation US
  • Study observation
  • Atrial; Cardiac; Cardio; Cardiology; Echography; Fetal; Finding; Findings; Gyn; Gynecology; Heart Disease; Hrt; Hrt.atria; Hrt.atria^Fetus; Nominal; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; Random; 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 Atrium Study observation USUS Hrt.atria Fetus StudyStudy observationOB.USFindPtHeart.atria^fetus

Frequently asked questions

Code details

Code12073-3
SystemLOINC
Display nameFetal Atrium Study observation US
DescriptionStudy observation
Short nameUS Hrt.atria Fetus Study
ComponentStudy observation
PropertyFind
TimingPt
System (specimen)Heart.atria^Fetus
ScaleNom
MethodUS
ClassOB.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.44

Part names

Study observationFindPtHeart.atria^fetusNomUSFindingPoint 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 12073-3 | HealthAssure