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Test Code LAB536 Calcitriol

Container Name

SST

Specimen Type

 Fasting (4-hour preferred but not required)

 

Preferred: Serum gel

 

Acceptable: Red top

Volume Required

Specimen Volume: At least 1.5 mL

 

Minimum Volume:  0.7 mL

CPT Codes

82652

List Price

$76.00

Clinical and Interpretive

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