What does reflex mean in lab tests?
What does reflex mean in lab tests?
Reflex testing occurs when an initial test result meets pre-determined criteria (e.g., positive or outside normal parameters), and the primary test result is inconclusive without the reflex or follow-up test. It is performed automatically without the intervention of the ordering physician.
What is reflex testing Covid?
2) Each individual sample in a positive pool gets tested again. This is called a “reflex” test. It usually takes about a day in between the first pool test and the second reflex test to identify which individual(s) within a positive pool are positive, and which are negative.
What does reflex negative mean?
Reflex Negative – individual test from a positive pool now indicates a negative COVID-19 result. Reflex Positive – individual test from a positive pool now indicates a positive COVID-19 result.
What is a reflex order?
Reflex tests are ordered when a particular test result indicates that additional testing should be performed.
What does reflex mean in medical terms?
A reflex is an involuntary (say: in-VAHL-un-ter-ee), or automatic, action that your body does in response to something — without you even having to think about it. You don’t decide to kick your leg, it just kicks. There are many types of reflexes and every healthy person has them.
Why are reflex tests performed?
Reflex testing contributes to accurate bedside diagnosis in many cases of neuromuscular disease, providing localising diagnostic information that cannot be obtained by any other method (including clinical neurophysiological and neuroradiological investigations).
What does reflex to culture mean?
Urinalysis, Complete with Reflex to Culture (REFL) – Dipstick urinalysis is important in accessing the chemical constituents in the urine and the relationship to various disease states. Microscopic examination helps to detect the presence of abnormal urine cells and formed elements.
How long does a reflex culture take?
Results may take 3-4 business days once the specimen is received at the laboratory.
Why is reflex testing an important diagnostic tool?
Reflex testing is an important diagnostic tool for assessing the condition of the nervous system. Distorted, exaggerated, or reflexes that are absent may indicate degeneration or pathology of portions of the nervous system, often before other signs are apparent.
Does presumptive positive mean positive?
A presumptive positive result indicates that you had a marginal trace of the COVID-19 virus in your specimen. This may mean you are either very early in your COVID infection and the amount of virus is just beginning to rise, or you are later in your COVID infection and the overall amount of virus is declining.
What is a reflex test called?
Reflex Exam (Deep Tendon Reflexes) The reflex exam is fundamental to the neurological exam and important to locating upper versus lower motor neuron lesions. There are five deep tendon reflexes and a number of superficial and visceral reflexes covered here.
Why is reflex testing important?