LOINCActiveOrder

LOINC Code 48800-7: Second trimester quad maternal screen panel

48800-7 is a LOINC code used to identify Second trimester quad maternal screen panel 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 Second trimester quad maternal screen panel. It is commonly used with the system or sample type Ser/Plas.

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 Second trimester quad maternal screen panel. It is commonly used with the system or sample type Ser/Plas.

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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

  • Second trimester quad maternal screen panel - Serum or Plasma
  • Second trimester quad maternal screen panel
  • The Quad screen, perfomed at 16-18 weeks' gestation (second trimester) is used to assess fetal risk of Trisomy 21 (Down's syndrome), Trisomy 18 (Edward's syndrome) and Open Neural Tube defects. It has 81% sensitivity for Down syndrome detection and a false-positive rate of 7%.
  • 2nd; 2nd trimester 4 screen; 2nd trimester 4 screen Pnl; AFP4; Alpha-1-fetoprotein & Choriogonadotropin & Estriol.unconjugated & Inhibin A; Chemistry; Gestation; Maternal screen 4; Pan; PANEL.CHEMISTRY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; Prenatal; Quadruple screen; Random; Scn; Scr; Scrn; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tetra screen; UniversalLabOrders

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

Second trimester quad maternal screen panelSecond trimester quad maternal screen panel - Serum or Plasma2nd trimester 4 screen Pnl SerPlPANEL.CHEMSecond trimester quad maternal screen panel, Blood-Pt

Frequently asked questions

Code details

Code48800-7
SystemLOINC
Display nameSecond trimester quad maternal screen panel
Short name2nd trimester 4 screen Pnl SerPl
ComponentSecond trimester quad maternal screen panel
Property-
TimingPt
System (specimen)Ser/Plas
Scale-
ClassPANEL.CHEM
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.73

Consumer names

Second trimester quad maternal screen panel, Blood

Part names

Second trimester quad maternal screen panel-PtSer/PlasPoint in time (spot)Serum or Plasma

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 48800-7 | HealthAssure