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Test Code RMCVITAMD 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.

Performing Laboratory

Rutland Regional Medical Center Laboratory

Specimen Requirements

Specimen Type: Serum                                                                                                   

Preferred: Light-green top (lithium heparin gel)

Acceptable: Gold top, serum gel

Specimen Volume: Full tube

Specimen Minimum Volume: 0.5 mL serum Collection Instructions: If pre-processing before sending to the Lab: Allow to clot 30 minutes, (but not longer than 2 hours), centrifuge, refrigerate and return to the Lab.

Reference Values

Normal: 30-100 ng/mL

 

Day(s) Performed

Daily

Analytical Time:

1 day

Available Stat

Methodology

One-pass Antibody Competitive Immunoassay

Test Classification and CPT Coding

CPT: 82306

LOINC: 1989-3

Order Code: RMCVITAMD

Result Code: RMCL801917

Result Name: Vitamin D Total (25 Hydroxy)

Specimen Transport Temperature

Room temperature up to 24 hours

Refrigerated 7 days

Frozen samples are allowed