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Test Code VD25EV VITAMIN D (25 O-H)

Important Note

Do not use samples that contain fluorescein (angiography)

Performing Laboratory

MaineGeneral Medical Center

Specimen Requirements

Serum


Draw blood in a gold-top (serum separator) gel tube. For pediatric specimens, draw blood in two red-top MICROTAINER(S) ®. Label the specimen with the patient’s name (first and last), date of birth, date and time of draw, the phlebotomist’s initials and as serum. Spin down and send 1 mL of serum refrigerated.


Specimen stability:   
24 hours at room temperature
7 days refrigerated at 2-8°C
Freeze at ≤ -20°C for longer storage

Minimum volume:    
1 mL

Specimen rejection criteria:

Hemolyzed specimens are not acceptable.

 

Day(s) Test Performed

Monday - Sunday

Test Classification and CPT Coding

82306

Methodology

Immunochemiluminescent

Reference Values

30-100 ng/ml