Cyclic Amp, Urinary Excretion

• CPT Code: 82030
• LOINC:
• Specimen Type: Urine and Serum
• Frequency: Setup: Wed; analytic time 2 days
• Instructions: 1mL serum, refrigerated plus 14mL urine, refrigerated.
• Text: Useful for The differential diagnosis of hypercalcemia; An adjunct to serum parathyroid hormone measurements, especially in the diagnosis of parathyroid hormone resistance states, such as pseudohypoparathyroidism. COMPONENTS: Z5522 CREATININE, S; Z5523 CYCLIC AMP, URINARY EXCRETION; Z5524 CREATININE, URINE.
• Methodology: Enzymatic Colorimetric Assay High-Performance Liquid Chromatography (HPLC)