Vitamin D 25-Hydroxy, D2 + D3 (LABCORP)

Test Code
99901000787


Alias/See Also
LAB7788: Fractionated Vitamin D | LABCORP EAP: 504115


CPT Codes
82306x1

Preferred Specimen
LABCORP LAB: Serum Separator Tube (Frozen) Min Vol: .5


Other Acceptable Specimens
LABCORP LAB: LAVENDER TOP-EDTA: (Frozen) Min Vol: .5 LABCORP LAB: YELLOW TOP: (Frozen) Min Vol: .5 LABCORP LAB: GREEN TOP- NAHEP: (Frozen) Min Vol: .5 LABCORP LAB: MICRO YELLOW: (Frozen) Min Vol: .5 LABCORP LAB: RED TOP - PLAIN: (Frozen) Min Vol: .5


Transport Temperature
Specimen: Serum (preferred) or plasma
Volume: 1 mL
Minimum Volume: 0.5 mL (Note: This volume does not allow for repeat testing.)
Container: Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (heparin) tube
Collection: Serum or plasma must be separated from cells within 45 minutes of venipuncture. Submit serum or plasma in a plastic transport tube.
Special Instructions: Testing is performed at Esoterix Endocrinology Laboratory: ES#500337
Storage Requirements:
Container                    Storage
Serum Transfer TubeFrozen
Storage Instructions: Freeze. Stable frozen for 34 months. Stable at room temperature or refrigerated for seven days. Freeze/Thaw Cycle: Stable x6


Specimen Stability
Stability Requirements:
Temperature               Period
Room temperature7 Days
Refrigerated                7 Days
Frozen                        34 Months
Freeze/thaw cyclesStable x6


Report Available
LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min



Last Updated: August 29, 2025


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.