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Vitamin D Total (25 Hydroxy)*

Important Note

*This test is orderable in Cerner as Vitamin D Total (25 Hydroxy)

For quantitative determination of Vitamin D Total in serum. This is a standardized assay and intended as an aid in the determination of vitamin D sufficiency.

The components, D2 and D3, will not be reported separately.

Instrumentation

Roche Cobas

Performing Laboratory

Rutland Regional Medical Center Laboratory

Specimen Requirements

Specimen Type:                                                                                                   

Preferred: Light-green top (lithium heparin gel or green-yellow)

Specimen Fill Volume: Full tube

Specimen Minimum Volume: 0.5 mL serum

Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >2 hour, centrifuge tube.

Specimen Transport Temperature

Refrigerated

Day(s) Performed

Daily

Analytical Time:

1 day

Available Stat

Test Classification and CPT Coding

CPT: 82306

LOINC: 1989-3

Order Code: RMCVITAMD

Result Code: RMCL801917

Result Name: Vitamin D Total (25 Hydroxy)

Reference Values

Normal: 30-100 ng/mL