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.

LOINCActiveBoth

LOINC Code 74843-4: Baylisascaris sp IgG IA Ql (CSF)

Name: LOINC Code 74843-4: Baylisascaris sp IgG IA Ql (CSF)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:55.155Z

74843-4 is a LOINC code used to identify Baylisascaris sp IgG IA Ql (CSF) 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 Baylisascaris sp Ab.IgG. It is commonly used with the system or sample type CSF.

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 Baylisascaris sp Ab.IgG. It is commonly used with the system or sample type CSF.

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
Method: IA

What it does not mean

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

Key facts

Baylisascaris sp IgG Ab [Presence] in Cerebral spinal fluid by Immunoassay
Baylisascaris sp Ab.IgG
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Baylis sp; Cerebral spinal fluid; Cerebrospinal Fl; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Neuro; Neurology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; round worm; Screen; species; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; spp; SUDS

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

Baylisascaris sp IgG IA Ql (CSF)Baylisascaris sp IgG Ab [Presence] in Cerebral spinal fluid by ImmunoassayBaylis sp IgG CSF Ql IABaylisascaris sp Ab.IgGMICROBaylisascaris sp IgG antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code74843-4

SystemLOINC

Display nameBaylisascaris sp IgG IA Ql (CSF)

DescriptionBaylisascaris sp Ab.IgG

Short nameBaylis sp IgG CSF Ql IA

ComponentBaylisascaris sp Ab.IgG

PropertyPrThr

TimingPt

System (specimen)CSF

ScaleOrd

MethodIA

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.48

Last changed2.56

Consumer names

Baylisascaris sp IgG antibody, Spinal fluid

Part names

Baylisascaris sp Ab.igGPrThrPtCSFOrdIABaylisascaris sp IgGPresence or ThresholdPoint in time (spot)Cerebral spinal fluidImmunoassay

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.