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 53694-6: Delivery date Estimated from prior gestational age assessment

Name: LOINC Code 53694-6: Delivery date Estimated from prior gestational age assessment
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.581Z

53694-6 is a LOINC code used to identify Delivery date Estimated from prior gestational age assessment 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 Delivery date. It is commonly used with the system or sample type ^Patient.

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 Delivery date. It is commonly used with the system or sample type ^Patient.

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: Clinical.estimated from prior gest age assessment

What it does not mean

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

Key facts

Delivery date Estimated from prior gestational age assessment
Delivery date
Delivery date (EDD or EDC) estimated (often from outside labs) from prior gestational age estimates.
Clin est; Date of confinement; Deliv date; Due date; EDC; EDD; Est; Est from prior GA; estimation; Gyn; Gynecology; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; predicted; QNT; Quan; Quant; Quantitative; 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

Delivery date Estimated from prior gestational age assessmentDeliv date Est from prior GADelivery dateOB.USDatePt^Patient

Frequently asked questions

Code details

Code53694-6

SystemLOINC

Display nameDelivery date Estimated from prior gestational age assessment

DescriptionDelivery date

Short nameDeliv date Est from prior GA

ComponentDelivery date

PropertyDate

TimingPt

System (specimen)^Patient

ScaleQn

MethodClinical.estimated from prior gest age assessment

ClassOB.US

Example unitsMMDDYY

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.26

Last changed2.50

Part names

Delivery dateDatePt^PatientQnClinical.estimated from prior gest age assessmentPoint 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.