LOINC Code 7939-2: La Crosse virus Ab IF (S)
7939-2 is a LOINC code used to identify La Crosse virus Ab IF (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 La Crosse virus Ab. It is commonly used with the system or sample type Ser.
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 La Crosse 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: DEPRECATED
- Order vs observation: Both
- Method: IF
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Deprecated La Crosse virus Ab by Immunofluorescence
- La Crosse virus Ab
- California encphalitis virus has more than 20 strains- most of which include "strain" in the name, One of these, La Crosse vIrus, has a name that does not signal that it is a strain of California encephalitis.
- ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Arbitrary concentration; Autoantibodies; Autoantibody; California Encephalitis Virus; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Lacrosse virus; LACV; Microbiology; Point in time; Random; Serum; SR; Time Resolved Fluorescence; TRF
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
Frequently asked questions
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.