LOINC Code 86598-0: Influenza season [DateRange]
86598-0 is a LOINC code used to identify Influenza season [DateRange] 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 Influenza season. It is commonly used with the system or sample type {Event}.
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 Influenza season. It is commonly used with the system or sample type {Event}.
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: Observation
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Influenza season [DateRange]
- Influenza season
- The date range (e.g. YYYY-YYYY) for when a given influenza season starts and stops. This term was created for, but not limited in use to, the Centers for Disease Control and Prevention (CDC) National Healthcare Safety Network (NHSN) surveillance for healthcare personnel vaccinations. The NHSN defines a (northern hemisphere) influenza season year as being from July 1 of the index year to June 30 of the following year and reports the season in years (for example, 2016-2017).
- QNT; Quan; Quant; Quantitative; Report period; VACCINE
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.