LOINCActiveBoth

LOINC Code 40583-7: Invasive trophoblast Ag [Mass/Vol]

40583-7 is a LOINC code used to identify Invasive trophoblast Ag [Mass/Vol] 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 Invasive trophoblast Ag. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Invasive trophoblast Ag. 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: Both

What it does not mean

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

Key facts

  • Invasive trophoblast Ag [Mass/volume] in Serum or Plasma
  • Invasive trophoblast Ag
  • Antigen; Antigens; Chemistry; Hyperglycosylated hCG; ITA; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Invasive trophoblast Ag [Mass/Vol]Invasive trophoblast Ag [Mass/volume] in Serum or PlasmaITA SerPl-mCncInvasive trophoblast AgCHEMInvasive trophoblast antigen, BloodMCnc

Frequently asked questions

Code details

Code40583-7
SystemLOINC
Display nameInvasive trophoblast Ag [Mass/Vol]
DescriptionInvasive trophoblast Ag
Short nameITA SerPl-mCnc
ComponentInvasive trophoblast Ag
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
Example unitsug/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.73

Consumer names

Invasive trophoblast antigen, Blood

Part names

Invasive trophoblast AgMCncPtSer/PlasQnMass ConcentrationPoint 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 40583-7 | HealthAssure