Vitamin D, 25-Hydroxy

Orderable EAP code:

LAB00539

Billable EAP Codes:

80002985 x 1

CPT Codes:

82306 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 12 Hours
Urgent: N/A

Test Schedule:

Daily, 8 am to 8 pm.

Units:

ng/mL

Specimen Requirements:

4 mL blood in a RED top tube.

Pediatric Specimen Requirements:

0.6 mL blood in a RED top tube.

Reference Range:

0 up to 18 years:
Deficiency: Less than 20 ng/mL

Optimum level: 20 to 80 ng/mL
Toxic: Greater than or equal to 150 ng/mL

18 years and older:
Deficiency: Less than 20 ng/mL

Insufficiency: 20 to 29 ng/mL
Optimum: 30 to 80 ng/mL
Toxic: Greater than 150 ng/mL

Comments:

Use to diagnose vitamin D insufficiency and monitor response to vitamin D therapy. Testing is recommended only for patients at risk for vitamin D insufficiency.

Synonyms:

25-Hydroxyvitamin D, 25-OH Vitamin D, Vitamin D, Total

Lab Services