Synonyms |
|
Urinary 5HIAA,
5-Hydroxyindoleacetic acid
|
Clinical
Indications |
|
Investigation of suspected
carcinoid syndrome
|
Request Form |
|
Combined Pathology blood form
(yellow/black)
|
Availability |
|
On request
|
Specific
Criteria |
|
|
Turnaround
Time |
|
3
Weeks
|
Specimen |
|
24
hour urine collection into acid preservative
|
Container |
|
Acidified
24 hour urine container
|
Collection |
|
Patients should avoid
serotonin-rich foods which can interfere with the assay (Bananas, pineapples, kiwi fruit,
nuts and avocados.) All drugs should be recorded on request form.
|
Lab. Handling |
|
Record 24hr volume, aliquot and
store at 4C
|
Causes for
Rejection |
|
|
Reference
Range |
|
Less than 31 umol/24 hours. In
patients with carcinoid, levels are typically in the range 130-1300 umol/24hr.
|