5 HT (Serotonin)

Serotonin (5-Hydroxy tryptamine) a powerful neurotransmitter) is a chemical substance produced by the nerve cells and gastrointestinal tract, responsible for the body’s most important functions. This test may be performed to diagnose carcinoid syndrome (a group of symptoms associated with carcinoid tumors of the small intestine, colon, appendix, and bronchial tubes in the lungs).
Test Code: 1371
₹ 7,500.00

5 - HT- SEROTONIN or 5-Hydroxytryptamine (5 -HT)

Serotonin is a substance found in the brain which is a neurotransmitter that passes the information between the nerves as a means of communication. This test is suggested for persons who have symptoms of Carcinoid tumor such as flushing, diarrhea, and wheezing.


High levels of serotonin lead to suspicion of carcinoid tumors whereas low levels of serotonin in the brain may be due to depression, anxiety, and sleeping disorders.  Its deficiency can lead to digestive or gastro-intestinal motility problems, irritable bowel syndrome, constipation,  aggression, impulsive behavior, irritability, poor appetite, etc., associated with several psychological conditions such as eating disorders, obsessive-compulsive disorder, panic disorder, post-traumatic stress disorder, social anxiety disorder, etc.  

General instructions:

Sample Requirement: Specimen - Blood sample drawn from the vein and urine specimen, Test Preparation: None.

NOTE - Sample for specimen collections may vary based on the patient’s condition/cases according to the patient’s presenting complaints/signs or symptoms:

SPECIMEN REQUIREMENT (Special or Rare Cases) - As instructed and guided by Physician / Clinician / Pathologist / as per Laboratory’s requirements, according to procedures and protocols.   

This Multi-Specialty Clinical Referral Laboratory “RTDIAGNOSTICS” provides precise and accurate tests with an extensive range of testing services to the medical centers to help in the diagnosis and identification of pathology in the test specimens for infectious diseases and also to evaluate the function of organ systems of the patient. It prevents further complications and helps to stabilize and restore health to near normalcy at the earliest without delay.