LOINCActiveBoth

LOINC Code 86857-0: Flavivirus neut ab Neut test Ql (Specimen)

86857-0 is a LOINC code used to identify Flavivirus neut ab Neut test Ql (Specimen) 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 Flavivirus Ab.Neut. It is commonly used with the system or sample type XXX.

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 Flavivirus Ab.Neut. It is commonly used with the system or sample type XXX.

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: Neut

What it does not mean

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

Key facts

  • Flavivirus neutralizing antibody [Presence] in Specimen by Neutralization test
  • Flavivirus Ab.Neut
  • Qualitative result for detection of Flavivirus neutralizing antibodies in clinical specimens.
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Conventional virus neutralization test; cVNT; Flav Ab; Flavi virus; ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; NAb; NEUTRALIZATION; Neutralization test; NT; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum virus neutralization; Spec; SVN; To be specified in another part of the message; Unspecified; Virus neutralization test; VNT

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

Flavivirus neut ab Neut test Ql (Specimen)Flavivirus neutralizing antibody [Presence] in Specimen by Neutralization testFlavivirus NAb Spec Ql NtFlavivirus Ab.NeutMICROFlavivirus neutralizing antibody, SpecimenPrThr

Frequently asked questions

Code details

Code86857-0
SystemLOINC
Display nameFlavivirus neut ab Neut test Ql (Specimen)
DescriptionFlavivirus Ab.Neut
Short nameFlavivirus NAb Spec Ql Nt
ComponentFlavivirus Ab.Neut
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodNeut
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.61
Last changed2.69

Consumer names

Flavivirus neutralizing antibody, Specimen

Part names

Flavivirus Ab.NeutPrThrPtXXXOrdNeutPresence or ThresholdPoint in time (spot)Neutralization test

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 86857-0 | HealthAssure