LOINCActiveObservation

LOINC Code 33069-6: Fetal nuchal translucency measured by US

33069-6 is a LOINC code used to identify Fetal nuchal translucency measured by 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 Width.translucency. It is commonly used with the system or sample type Neck.soft tissue^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 Width.translucency. It is commonly used with the system or sample type Neck.soft tissue^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 nuchal translucency measured by US
  • Width.translucency
  • Echography; Fetal; Gyn; Gynecology; Length; 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 nuchal translucency measured by USFet nuchal translucency US.measWidth.translucencyOB.USLenPtNeck.soft tissue^Fetus

Frequently asked questions

Code details

Code33069-6
SystemLOINC
Display nameFetal nuchal translucency measured by US
DescriptionWidth.translucency
Short nameFet nuchal translucency US.meas
ComponentWidth.translucency
PropertyLen
TimingPt
System (specimen)Neck.soft tissue^Fetus
ScaleQn
MethodUS.measured
ClassOB.US
Example unitsmm
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.73

Part names

Width.translucencyLenPtNeck.soft tissue^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.

LOINC Code 33069-6 | HealthAssure