LOINCActiveObservation

LOINC Code 11951-1: Fetal [Identifier] Identifier

11951-1 is a LOINC code used to identify Fetal [Identifier] Identifier 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 Identifier. 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 Identifier. 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: *

What it does not mean

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

Key facts

  • Fetal [Identifier] Identifier
  • Identifier
  • Large answer list is required to use term in dealing with polytocous animals.
  • AOEObservation; Fetal; Gyn; Gynecology; Ident; Identifier; Nominal; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; Random

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 [Identifier] IdentifierFet IDIdentifierOB.USIDPt^Fetus

Frequently asked questions

Code details

Code11951-1
SystemLOINC
Display nameFetal [Identifier] Identifier
DescriptionIdentifier
Short nameFet ID
ComponentIdentifier
PropertyID
TimingPt
System (specimen)^Fetus
ScaleNom
Method*
ClassOB.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Part names

IdentifierIDPt^FetusNom*Point in time (spot)

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 11951-1 | HealthAssure