Specimen

Plasma

Collection Medium:

Minimum:

1 mL plasma from a Special GI preservative collection tube obtained 
from reference laboratory.  Mailouts has these tubes, call 356-8593.

Delivery Instructions:

Submit specimen to laboratory as soon as possible after collection.

Analytic Time:

1 week

Reference Range:

10 - 80 pg/ml

Comments:

Contact Commercial Mailouts at 356-8593 to obtain collection tubes for 
this testing.  No other specimen collection container is acceptable by 
the reference laboratory.

Patients should be fasting for 10-12 hours prior to specimen 
collection.  Antacid medications or medications that affect intestinal 
motility should be discontinued, if possible, for at least 48 hours 
prior to collection.

Methodology:

Immunoassay, quantitative by RIA

CPT Code:

83519

See Additional Information:
Fasting Specimen Requirements