Calcium, 24 hr urine
(Normal range: 100-300 mg/24 hrs (2.5-7.5 mmol/24 hrs Comment: Raised in hyperparathyroidism and in other hypercalcaemic…
Calcitonin
Normal range: Up to 50 ng/L Comment: High levels occur in patients with medullary carcinoma of…
CA 72.4
Useful marker for gastric and colonic carcinoma. It has a high specificity for gastric carcinoma metastasis…
CA 242
Normal range: Up to 20 kU/L Comment: CA 242 is a marker for pancreatic and colorectal…
CA 19-9
Normal range: up to 37 IU/ml Comment: CA 19-9 is a high molecular weight mucin found…
CA 15-3
Normal range: up to 28 IU/ml Comment: Increased levels maybe found in a variety of malignancies…
CA 125
Normal range: up to 35 IU/ml Comment: A high molecular weight carbohydrate antigen especially elevated in…
C1 Esterase Inhibitor
(Normal range: 28-41 mg/dl (0.28-0.41 g/L Comment: Deficiency of this enzyme is the most common genetically…
(C-Reactive Protein (CRP
Normal range: < 6.0 mg/L Comment: An acute phase protein showing very early and sensitive change….
C-peptide
Normal range: 264-1320 pmol/L Comment: It is a by-product of endogenous insulin synthesis but has a…