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Test Code
SOMAQ
Test Name
Somatostatin Quantitative
CPT Codes
84307
Expected Turnaround Time
Varies
Clinical Utility

Somatostatin is a neurohormone produced in the brain, hypothalamus and gastrointestinal tract. This test is used to diagnose somatostatin-producing tumors. Elevated levels are observed with somatostatinoma, medullary thyroid carcinoma and pheochromocytoma.
Specimen and Container Info

Specimen Type: Plasma

Collection Container: Chilled Lavender Top (EDTA)

Desired Specimen Volume: 1.8 mL
Collection Instructions
  1. Collect a pre chilled lavender top (EDTA) tube via venipuncture.
Processing and Submission Instructions
  1. Separate plasma from cells immediately after collection.
  2. Transfer 1.8 mL of plasma to a LabCorp PP transpak frozen purple tube.
  3. Do not thaw specimen.
Transport Instructions

Transport to the laboratory frozen. 
Stability Requirements

Room Temperature

8 hours

Refrigerated

8 hours

Frozen

28 days
Causes for Rejection
  • Gross lipemia
  • Gross icterus
  • Griss hemolysis
Methodology
Quantitative Extraction/Immunoassay
Reference Intervals

See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 1 time per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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