LOINCActiveBoth

LOINC Code 77955-3: Yellow fever virus IgM IF Ql (S)

77955-3 is a LOINC code used to identify Yellow fever virus IgM IF 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 Yellow fever virus 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 Yellow fever virus 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
  • Method: IF

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 Serum by Immunofluorescence
  • Yellow fever virus Ab.IgM
  • This term was created for, but not limited in use to, the submitter's Euroimmun Anti-Yellow fever virus IIFT (IgG or IgM)test kit.
  • ABS; Aby; ACIF; American plague; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immune globulin M; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; Time Resolved Fluorescence; TRF; 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 IF Ql (S)Yellow fever virus IgM Ab [Presence] in Serum by ImmunofluorescenceYFV IgM Ser Ql IFYellow fever virus Ab.IgMMICROYellow Fever virus IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code77955-3
SystemLOINC
Display nameYellow fever virus IgM IF Ql (S)
DescriptionYellow fever virus Ab.IgM
Short nameYFV IgM Ser Ql IF
ComponentYellow fever virus Ab.IgM
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.56

Consumer names

Yellow Fever virus IgM antibody, Blood

Part names

Yellow fever virus Ab.IgMPrThrPtSerOrdIFYellow fever virus IgMPresence or ThresholdPoint in time (spot)SerumImmunofluorescence (IF)

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 77955-3 | HealthAssure