- Febrile illness: recurrent or unexplained fevers.
- Skin symptoms: rashes or spotted skin eruptions following insect exposure.
- Fatigue: persistent tiredness or post-infectious fatigue.
- Neurological symptoms: headaches, cognitive changes or sensory disturbances.
- Gastrointestinal symptoms: nausea, abdominal discomfort or appetite changes.
- Musculoskeletal symptoms: muscle aches or joint pain.
- Vascular-related symptoms: dizziness or light-headedness.
- Exposure history: known or suspected exposure to ticks, mites, lice or fleas.
- Immune assessment context: limited insight from antibody-based testing alone.
Overview
The Rickettsia EliSpot test measures T-cell mediated immune responses to Rickettsia species using an ELISPOT laboratory method from a blood sample. This cellular immune approach focuses on T-cell activity rather than antibody production, offering insight into immune recognition of Rickettsia-related antigens.
This test may be clinically useful when symptoms such as fever, rash, fatigue or neurological features raise questions around possible exposure and antibody-based testing has provided limited clarity. Cellular immune assessment can add context in situations where humoral antibody responses are absent, delayed or difficult to interpret.
Practitioners typically interpret results alongside clinical history, symptom patterns, exposure risk, travel history and other immune-related laboratory findings. Reviewing these factors together supports informed discussions with clients about immune response patterns and further investigative considerations.
Practical
2x ACD/CPDA tube
This test requires a blood draw, so please ensure you can refer to a phlebotomist in the clients area before you order this test.
(Nordic Laboratories accept no cost or claims related to any phlebotomy services in the event of sample rejection or failure for any reason. By ordering this, or any test, requiring phlebotomy services, you accept any inherent risk and any associated costs.)
Research
https://www.ncbi.nlm.nih.gov/books/NBK7624/