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Test Code VITD 25-Hydroxy Vitamin D, Total, Serum

Important Note

Medicare frequency limitations exist for this test in addition to diagnosis requirements. Click on link for list of medically necessary diagnoses: http://www.munsonhealthcare.org/medical-necessity. See Advance Beneficiary Notice of Noncoverage (ABN) form in Special Instructions.

Methodology

Chemiluminescent Immunoassay

Performing Laboratory

Munson Medical Center Laboratories

Specimen Requirements

Preparation of Patient: 

None

 

Specimen Type:

Serum

 

Container Type: 

Gold Top SST Gel & Clot Activator Tube

LIS Container Code = GL

 

Specimen Volume: 

5.0 mL of Serum minimum 1.0 mL of Serum

 

Specimen Handling/Transport:

Separate serum from cells within 2 hours of collection

For shipping, specimens should be maintained at 2-8°C.

 

Specimen Stability/Storage:

8 hours ambient

5 days 2-8°C

Reference Values

Reference Range:  30 - 80 ng/mL

 

Critical Decision:  None

 

Result Interpretation:

The National Osteoporosis Foundation has set the following guidelines for 25-OH Vitamin D:

      <30 ng/mL: Less than desirable

      ≥30 - 80 ng/mL: Desirable

      >80 ng/mL: Above desirable

Priority & Frequency

Non-Emergent

24 hours 7 days a week

Test Classification and CPT Coding

82306

Special Instructions