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 49586-1: First and Second trimester integrated maternal screen [Interp]

Name: LOINC Code 49586-1: First and Second trimester integrated maternal screen [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:33.941Z

49586-1 is a LOINC code used to identify First and Second trimester integrated maternal screen [Interp] 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 First & Second trimester integrated maternal screen. 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 First & Second trimester integrated maternal screen. 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

What it does not mean

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

Key facts

First and Second trimester integrated maternal screen [Interpretation]
First & Second trimester integrated maternal screen
2nd; Alpha-1-fetoprotein & Choriogonadotropin & Estriol.unconjugated & Inhibin A & Pregnancy associated plasma protein A & Nuchal translucency; Chemistry; Gestation; Gyn; Gynecology; Impression; Impression/interpretation of study; Impressions; Integrated scn; Interp; Interpretation; Nominal; OB; ObGyn; Obstetrics; Point in time; Prenatal; Random; Scn; Scr; Scrn

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

First and Second trimester integrated maternal screen [Interp]First and Second trimester integrated maternal screen [Interpretation]Integrated scn Patient-ImpFirst & Second trimester integrated maternal screenCHEMFirst and Second trimester integrated maternal ScreenImp

Frequently asked questions

Code details

Code49586-1

SystemLOINC

Display nameFirst and Second trimester integrated maternal screen [Interp]

DescriptionFirst & Second trimester integrated maternal screen

Short nameIntegrated scn Patient-Imp

ComponentFirst & Second trimester integrated maternal screen

PropertyImp

TimingPt

System (specimen)^Patient

ScaleNom

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.73

Consumer names

First and Second trimester integrated maternal Screen

Part names

First & Second trimester integrated maternal screenImpPt^PatientNomFirst and Second trimester integrated maternal screenImpression/interpretation of studyPoint 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.