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HelpTest Code LAB536 Calcitriol
Container Name
SST
CPT Codes
82652
Specimen Type
Patient Preparation: Fasting (4-hour preferred but not required)
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: At least 1.5 mL
Volume Required
Specimen Volume: At least 1.5 mL
Minimum Volume 0.7 mL
Useful For
As a second-order test in the assessment of vitamin D status, especially in patients with renal disease
Investigation of some patients with clinical evidence of vitamin D deficiency (eg, vitamin D-dependent rickets due to hereditary deficiency of renal 1-alpha hydroxylase or end-organ resistance to 1,25-dihydroxyvitamin D)
Differential diagnosis of hypercalcemia