Sample type: Serum

Test name: 1,25-Dihydroxy Vitamin D a.k.a. active vitamin D, 1,25-dihydroxycholecalciferol, calcitriol

Condition / Indication: Rarely indicated test

Special precautions & notes: Please discuss request with laboratory.

Reference range: 43 - 143 pmol/L.

Container: Serum (Gold top)

Ideal volume (mL): 5 mL

Referred outside NBT for analysis? Yes

Discipline: Clinical Biochemistry

Turnaround time: 4 weeks

Referral location: SAS Metabolic Bone Laboratory, Eastern Pathology Alliance, Norfolk and Norwich University Hospitals NHS Foundation Trust, Laboratory Medicine, Level 1 East Block, Colney Lane, Norwich, NR4 7UY