LOINCActiveBoth

LOINC Code 71782-7: Yellow fever virus IgM IA Ql (CSF)

71782-7 is a LOINC code used to identify Yellow fever virus IgM 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 Yellow fever virus Ab.IgM. 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 Yellow fever virus Ab.IgM. 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

  • Yellow fever virus IgM Ab [Presence] in Cerebral spinal fluid by Immunoassay
  • Yellow fever virus Ab.IgM
  • Vaccination associated encephalitis is possible. CNS infection due to wild Yellow Fever virus would be rare.
  • ABS; Aby; American plague; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Neuro; Neurology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; SUDS; yellow jack; YFV

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

Yellow fever virus IgM IA Ql (CSF)Yellow fever virus IgM Ab [Presence] in Cerebral spinal fluid by ImmunoassayYFV IgM CSF Ql IAYellow fever virus Ab.IgMMICROYellow Fever virus IgM antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code71782-7
SystemLOINC
Display nameYellow fever virus IgM IA Ql (CSF)
DescriptionYellow fever virus Ab.IgM
Short nameYFV IgM CSF Ql IA
ComponentYellow fever virus Ab.IgM
PropertyPrThr
TimingPt
System (specimen)CSF
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.40
Last changed2.56

Consumer names

Yellow Fever virus IgM antibody, Spinal fluid

Part names

Yellow fever virus Ab.IgMPrThrPtCSFOrdIAYellow fever virus IgMPresence 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.

LOINC Code 71782-7 | HealthAssure