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Test Code VITD 25-OH Vitamin D Total, Serum

Performing Laboratory

ChristianaCare - Newark Campus

Methodology

Electrochemiluminescent Immunoassay

Specimen Requirements

Container/Tube:  Preferred: 4.5 mL Lithium Heparin (Mint Green top PST Gel) tube

Acceptable: 5.0 mL SST (Gold top) tube or 6.0 mL Serum (Red top) tube

Specimen:  Full tube

Note:  Label tube with patient's full name and 1 additional unique identifier, such as date of birth, medical record number, emergency ID number, date and time of draw, collector's initials and type of specimen.

Reference Values

Sufficient:         > 30 ng/mL

Insufficient:      21-29 ng/mL

Deficient:         < 20 ng/mL

Specimen Type

Serum

Day(s) Set up

Monday through Sunday

Routine Test Turnaround Time: 8 hours

STAT Test Turnaround Time: 1 hour