LOINCActiveBoth

LOINC Code 43910-9: Ascaris sp IgM Ql (S)

43910-9 is a LOINC code used to identify Ascaris sp IgM Ql (S) 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 Ascaris sp Ab.IgM. It is commonly used with the system or sample type Ser.

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 Ascaris sp Ab.IgM. It is commonly used with the system or sample type Ser.

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

  • Ascaris sp IgM Ab [Presence] in Serum
  • Ascaris sp Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; p1; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; species; spp; 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

Ascaris sp IgM Ql (S)Ascaris sp IgM Ab [Presence] in SerumAscaris IgM Ser QlAscaris sp Ab.IgMMICROAscaris sp IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code43910-9
SystemLOINC
Display nameAscaris sp IgM Ql (S)
DescriptionAscaris sp Ab.IgM
Short nameAscaris IgM Ser Ql
ComponentAscaris sp Ab.IgM
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.56

Consumer names

Ascaris sp IgM antibody, Blood

Part names

Ascaris sp Ab.IgMPrThrPtSerOrdAscaris sp IgMPresence or ThresholdPoint in time (spot)Serum

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 43910-9 | HealthAssure