Influenza virus A Ag [Presence] in Lower respiratory specimen by Immunofluorescence   88904-8

LOINC Code


LOINC code88904-8
nameInfluenza virus A Ag [Presence] in Lower respiratory specimen by Immunofluorescence
descriptionSamples that are positive for influenza virus display fluorescence in the cytoplasmic and/or nucleus. Cytoplasmic staining appears punctate with large inclusions, and nuclear staining is typically uniformly bright.
statusACTIVE

Fully-Specified Name

componentInfluenza virus A Ag
propertyPrThr  =  Present or threshold:  The Property PrThr stands for “Presence or Threshold”, meaning either a) the actual presence or absence of an analyte, or b) that the amount of analyte detected is over some predetermined threshold.
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemRespiratory system specimen.lower
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
methodIF  =  Immune Fluorescence:  Encompasses DFA, IFA, FA. Usually applies to cells and smears examined microscopically so that both the “where” and the “what” can be assessed, but can also be used on fluids in a way similar to ELISA. Does not include Cell binding assays (see CBA IFA above).

Additional Names

short nameFLUAV Ag Lower resp Ql IF

Basic Attributes

classMICRO
type1  Laboratory
order vs. observationBoth

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

Member of these Groups

LG32757-3Influenza virus
LG34020-4Influenza virus A Ag|PrThr|Sys:ANYResp

History/Usage

first released
last updated2.77
last change typeMAJ  - change to name field other than Component;
change reasonRelease 2.77: SYSTEM: Updated to standardize the representation of "Respiratory system specimen" in the System subhierarchy across LOINC;

Related Names

ACIF
Anticomplement Immunofluorescence
Antigen
Antigens
Avian influenza
Bird flu
Breathing
DFA
FA
FLUA
FLUAV
Fluorescent antibody
Fluoresent
FLUV
Fowl plague
ID
IFA
Immune fluorescence
Immunoflour
Immunofluor
Immunofluorescence
Infectious Disease
InfectiousDisease
Influ
Influenza A
Influenza A virus
Low
Lower resp
Lung
Lungs
Microbiology
Ordinal
Point in time
PR
Pulmonary
Pulmonology
Ql
Qual
Qualitative
Random
Respiratory
RS
Screen
Spec
Time Resolved Fluorescence
TRF

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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