Home
HelpTest Code DOH Vitamin D, 25-Hydroxy, Total
Specimen Type
Serum
Container/Tube
Red Top
Offsite Collection Instructions
1. Collect sample following standard collection methods
2. Within 2 hours of collection the sample must be spun and
aliquoted
3. Transport refrigerated (2 – 8˚C)
Turnaround Time
4 hours
Test Includes
N/A
Preferred Volume
0.5 mL
UCMC Collection Instructions
1. Collect sample following standard collection methods
2. Within 2 hours of collection the sample must be received in
Laboratory Service Center
3. Transport room temperature (15 – 25˚C)
STAT Turnaround Time
N/A
Test Usage
Used in the assessment of vitamin D sufficiency in adults.
Critical Results
N/A
Test Limitations
Factors such as UV exposure, season, race ,and dietary
intake
are all known to affect levels of 25-OH-D in humans. The
measurement of 25-OH-D is becoming increasingly important in
the
management of patients with various disorders of calcium
metabolism
associated with rickets, neonatal hypocalcemia, pregnancy,
nutritional and renal osteodystrophy, hypoparathyroidism, and
postmenopausal osteoporosis.
Fee Code
30082306
Synonyms
Vitamin D, 25-Hydroxy, 25-Hydroxy Vitamin
Stability: Room Temp
8 hours
Stability: Refrigerated
4 days
Stability: Frozen
24 weeks
Specimen Minimum Volume
0.2 mL
DAY(S) AND TIME(S) PERFORMED
24 hours, 7 days a week including holidays.
STAT DAY(S) AND TIME(S) PERFORMED
N/A
CPT
82306
Method Name
Electrochemiluminescence immunoassay (ECLIA)
Reference Values
| Deficiency | <12 ng/mL |
| Potential Deficiency |
12-19 ng/mL |
| Potential Insufficiency |
20-29 ng/mL |
| Optimum Concentration |
≥ 30 ng/mL |
Reject Due To
Whole blood/unspun samples greater than 6 hours will be
rejected.
Additional Information
N/A
Included in Additional codes
N/A
Coverage Information
N/A