LOINCActiveObservation

LOINC Code 11949-5: Fetal Identification criteria US

11949-5 is a LOINC code used to identify Fetal Identification criteria 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 Identification criteria. It is commonly used with the system or sample type ^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 Identification criteria. It is commonly used with the system or sample type ^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 Identification criteria US
  • Identification criteria
  • Used to list and describe the criteria used by the ultrasonographer to identify individual fetuses in a multiple gestation.
  • Echography; Fetal; Finding; Findings; Gyn; Gynecology; ID criteria; Nominal; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; Random; Sonogram; Sonograph; Sonography; 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 Identification criteria USFet ID criteria USIdentification criteriaOB.USFindPt^Fetus

Frequently asked questions

Code details

Code11949-5
SystemLOINC
Display nameFetal Identification criteria US
DescriptionIdentification criteria
Short nameFet ID criteria US
ComponentIdentification criteria
PropertyFind
TimingPt
System (specimen)^Fetus
ScaleNom
MethodUS
ClassOB.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.27

Part names

Identification criteriaFindPt^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 11949-5 | HealthAssure