5-Hydroxy-indoleacetic acid (Urine (u))

Testcode:	E_HIES24
Specimens:	1 ml Urine (u)
Preanalytics/Notes:	Acidify 10 ml spot urine with 4-5 drops of approximately 10-20 % hydrochloric acid and mix. Medication interfering with the sympathetic nervous system or the metabolism of serotonine should be terminated approximately 1 week before testing - but only when appropriate by the clinical condition of the patient. Avoid stimulating drinks and food, like coffee, tea, nuts and tropical fruits approximately 1-3 days before testing. Follow up studies of tumor markers should always be done with the same testkit.
Method:	Liquid chromatography-tandem mass spectr
Dimension:	mg/gCrea
Set-up:	Mon Tue Wed Thu Fri Sat Sun
Duration:	3 days
Indication/Significance:	Suspected carcinoid syndrome
Interpretation:	Increased in the case more… Increased in the case of: Carcinoid syndrome, bronchial carcinoma, abdominal carcinoma and thyroid carcinoma, idiopathic steatorrhoea Decreased in the case of: Depression close
Further tests:	Serotonin in frozen EDTA-blood

both sex
from 0 - 2 Years
There are only reference ranges for an age of above 3 years.
from 3 Years - 7 Years	1,2 - 16,2 mg/gCrea
from 8 Years - 11 Years	2,4 - 8,7 mg/gCrea
from 12 Years - 16 Years	1,8 - 5,5 mg/gCrea
from 17 Years - 120 Years	1,3 - 6,9 mg/gCrea

Representation of age: "from" refers to the commenced year(s) (month) of age; "until" refers to the completed year(s) (month) of age.