What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 48803-1: Neural tube defect risk Qn (fetus)

Name: LOINC Code 48803-1: Neural tube defect risk Qn (fetus)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:33.169Z

48803-1 is a LOINC code used to identify Neural tube defect risk Qn (fetus) 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 Neural tube defect risk. 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 Neural tube defect risk. 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

What it does not mean

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

Key facts

Neural tube defect risk [Likelihood] in Fetus
Neural tube defect risk
Anencephaly; Chemistry; Fetal; Gyn; Gynecology; Neural tube def; Neural tube defct; NTD; OB; ObGyn; Obstetrics; ONTD; Open spina bifida; OSB; Point in time; QNT; Quan; Quant; Quantitative; Random; Risk

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

Neural tube defect risk Qn (fetus)Neural tube defect risk [Likelihood] in FetusNeural tube defect risk FetusNeural tube defect riskCHEMFetal Neural tube defect riskLikelihood

Frequently asked questions

Code details

Code48803-1

SystemLOINC

Display nameNeural tube defect risk Qn (fetus)

DescriptionNeural tube defect risk

Short nameNeural tube defect risk Fetus

ComponentNeural tube defect risk

PropertyLikelihood

TimingPt

System (specimen)^Fetus

ScaleQn

ClassCHEM

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.73

Consumer names

Fetal Neural tube defect risk

Part names

Neural tube defect riskLikelihoodPt^FetusQnPoint 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.