Normal Serum Insulin Level Range
5-HT level; 5-hydroxytryptamine level; Serotonin test
Normal Values
The normal range is 101-283 nanograms per milliliter (ng/mL).
Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
What abnormal results mean
Higher-than-normal levels may indicate carcinoid syndrome.
Read more
More information on "Normal Serum Insulin Level Range"
From Our Experts
What is a Normal Testosterone Level?
Dear Dr. Motola, Four years ago I had surgery for a left inguinal hernia, which unfortunately resulted in uncorrected internal post-op... Read more »
The Normal A1C Level
You want to control your diabetes as much as possible. You wouldn't be reading this if you didn't. So you regularly check your A1C level.... Read more »
Using Basal Insulin to Treat Sliding Glucose Levels
A while back, I received a question about someone with diabetes who had blood glucose levels that were bouncing all over, from the 60s to... Read more »
Normal Blood Glucose
[Science of Diabetes] One of the most common questions asked by people with diabetes is: “What are normal blood sugar levels?”... Read more »
How do High Triglyceride Levels Affect Health?
How can a high level of triglycerides affect my health if my cholesterol is normal and my LDL and HDL are both low? I presume that you... Read more »
From Our Sources
Serum TBG level
Source: ADAM Encyclopedia
Serum thyroxine binding globulin; TBG level Normal Values If electrophoresis is used, normal values may range from 10 mg/100 mL - 24... Read more »
Serum magnesium: test
Source: ADAM Encyclopedia
Magnesium - bloodNormal Values1.7 to 2.2 mg/dLNote: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the... Read more »
Insulin test
Source: ADAM Encyclopedia
Normal Values 5-20 mcU/mL while fasting; normal ranges may differ by the laboratory of the health care provider. Note: mcU/mL = micro unit per... Read more »
Serum calcium
Source: ADAM Encyclopedia
Ca+2; Serum calcium; Ca++Normal ValuesNormal values range from 8.5 to 10.2 mg/dL.Normal value ranges may vary slightly among different laboratories.... Read more »
Serum chromium
Source: ADAM Encyclopedia
Chromium blood testNormal ValuesSerum chromium levels normally range from less than 0.05 up to 0.5 micrograms/milliliter (mcg/mL).The range of normal... Read more »
Featuring Content From:
By using this service, you accept our Terms of Use. Please read them. The consumer health information on is for informational purposes only and is not a substitute for medical advice or treatment for any medical conditions. You should promptly seek professional medical care if you have any concern about your health, and you should always consult your physician before starting a fitness regimen. Copyright © 2012 Remedy Health Media, LLC. All Rights Reserved.
