LOINCActiveBoth

LOINC Code 31394-0: Feline syncytial virus Ab Qn (S)

31394-0 is a LOINC code used to identify Feline syncytial virus Ab Qn (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 Feline syncytial virus Ab. It is commonly used with the system or sample type Ser.

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 Feline syncytial virus Ab. 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

  • Feline syncytial virus Ab [Units/volume] in Serum
  • Feline syncytial virus Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; FSV; ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Retrovirus-C; Serum; Spumavirus; SR; Vet; Veterinary

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

Feline syncytial virus Ab Qn (S)Feline syncytial virus Ab [Units/volume] in SerumFSV Ab Ser-aCncFeline syncytial virus AbMICROFeline Syncytial virus antibody, BloodACnc

Frequently asked questions

Code details

Code31394-0
SystemLOINC
Display nameFeline syncytial virus Ab Qn (S)
DescriptionFeline syncytial virus Ab
Short nameFSV Ab Ser-aCnc
ComponentFeline syncytial virus Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.69

Consumer names

Feline Syncytial virus antibody, Blood

Part names

Feline syncytial virus AbACncPtSerQnArbitrary ConcentrationPoint 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.