Fasting Insulin for Hypoglycemia
The fasting insulin is among the laboratory tests healthcare providers may use to investigate Hypoglycemia. Learn what it measures, how to prepare, and what results can tell a provider. Educational content only - not a diagnosis.
Order a Fasting Insulin Test
Lab testing is available through our partner network. Order online and visit a local collection site. No doctor's order or insurance required.
- Sample type
- Blood
- Typical turnaround
- 1-3 business days
- Preparation
- Fasting for 8-12 hours required.
Why the fasting insulin may be ordered for Hypoglycemia
Measures insulin levels to help assess insulin resistance.
When evaluating Hypoglycemia, a healthcare provider may order the fasting insulin alongside other tests based on your symptoms, history, and physical exam. Test selection and result interpretation are clinical decisions made by a qualified professional.
Symptoms associated with Hypoglycemia
Confusion
Lack of clarity and coherence of thought, perception, understanding, or action....
Excessive Sweating
Sweating more than is needed to regulate body temperature, which can accompany fever, anxiety, hypoglycemia, o...
Headache
Cephalgia, or pain sensed in various parts of the head, not confined to the area of distribution of any nerve....
Hunger
The sensation of needing to eat, which can be increased by low blood sugar or metabolic conditions....
Irritability
Easily annoyed or frustrated mood, which can be caused by stress, sleep problems, hormonal changes, or mood di...
Palpitations
A sensation that the heart is pounding or racing, which is a non-specific sign but may be a manifestation of a...
Reduced consciousness
Abnormally diminished level of attention, responsiveness, or wakefulness....
Tremor
An unintentional, oscillating to-and-fro muscle movement about a joint axis....
Other tests used to investigate Hypoglycemia
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Fasting Glucose
Measures blood sugar after fasting to screen for diabetes and prediabetes....
Glucose 6-Phosphate Dehydrogenase G6Pd Test, Quantitative
Order Glucose 6-Phosphate Dehydrogenase (G6PD) Test, Quantitative.com online through our partner and visit a l...
Glucose Blood Test
The glucose test is a blood test used to measure glucose (blood sugar) levels. Glucose is the major source of ...
Igf-1 Insulin Blood Test
Our IGF-1 blood test is commonly used to measure levels of human growth hormone (hGH) and its activity....
Frequently Asked Questions
Is the fasting insulin used to investigate Hypoglycemia?
Yes - the fasting insulin is among the tests healthcare providers may consider when evaluating Hypoglycemia. Measures insulin levels to help assess insulin resistance. Test selection is a clinical decision made by a qualified professional.
How should I prepare for the fasting insulin?
Fasting for 8-12 hours required.
How long does the fasting insulin take?
Results for the fasting insulin are typically available within 1-3 business days depending on the laboratory.
Does this website interpret my fasting insulin result?
No. SymptomDatabase.com does not interpret laboratory results. Discuss all results with a qualified healthcare provider.