LOINC Code 46249-9: Vaccination take-response type
46249-9 is a LOINC code used to identify Vaccination take-response type 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 Vaccination take-response type. It is commonly used with the system or sample type ^Patient.
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 Vaccination take-response type. It is commonly used with the system or sample type ^Patient.
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
- Vaccination take-response type
- Most commonly this will be used in Smallpox vaccination context but can be used elsewhere. It is the term that reference the individuals response to the vaccination specifically indicating the virus replication has taken place and vaccination was successful. Answer1 Major-indicated the viral replication has occurred and vaccination was successful and considered to be protected with the development of a major reaction Answer2 Equivocal reaction which indicates immune suppression of viral replication, allergic reaction without production of immunity, incorrect vaccination technique or impotent vaccine.
- Identity or presence; Immunizations; Nominal; Point in time; Random; 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.