Normal range: Up to 50 ng/L
Comment: High levels occur in patients with medullary carcinoma of the thyroid gland and occasionally with carcinoid tumors, oat-cell carcinoma of the lung and in the Zollinger- Ellison syndrome
Sample: serum
Normal range: Up to 50 ng/L
Comment: High levels occur in patients with medullary carcinoma of the thyroid gland and occasionally with carcinoid tumors, oat-cell carcinoma of the lung and in the Zollinger- Ellison syndrome
Sample: serum