A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

VITAMIN D 25-HYDROXY TOTAL

Test Code
VITD


Preferred Specimen
Gold Top Tube


Specimen Stability
3 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis


Limitations
Do not use samples which contain fluorescein. Fluorescein levels > 0.10 µg/mL can produce falsely elevated results in this assay.  Evidence suggests that patients undergoing retinal fluorescein angiography can retain amounts of fluorescein in the body for up to 48 to 72 hours post-treatment. In the cases of patients with renal insufficiency, including many diabetics, retention could be much longer. Such samples can produce falsely elevated values when tested with this assay, and should not be tested.


Clinical Significance
In vitro immunoassay diagnostic test for the quantitative determination of 25 (OH) vitamin D in human serum used as an aid in the determination of vitamin D sufficiency.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.