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Test Code LABVITDIHY Vitamin D 1,25 Dihydroxy

Important Note

1,25-Dihyroxyvitamin D results may be needed to assess Vitamin D sufficiency in patients with renal disease or hypercalcemia. The preferred initial test for measuring Vitamin D stores is 25-OH Vitamin D (LABVITDT).

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic
Vitamin D 1,25 Dihydroxy    LAB1323 VITDIHY

Methodology

Chemiluminescence Immunoassay (CLIA)

Specimen Requirements

Specimen Type: Serum

Container/Tube: Serum gel

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.50 mL

Collection Instructions: Grossly hemolyzed or lipemic specimen is not acceptable.

Additional Information:

1. .Specimens may go through up to 4 freeze/thaw cycles. Mix thawed specimens well prior to testing.

2. Label specimen appropriately (serum)

Specimen Transport Temperature

Refrigerate 5 days/Frozen OK

Day(s) Test Set Up

Tuesday and Wednesday

Performing Laboratory

Chemistry-

SMDC Clinical Lab (Duluth)

 

Test Classification and CPT Coding

82652

Reference Values

24.0 - 102.0 pg/mL