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7-Dehydrocholesterol
Test Code17664X
CPT Codes
82542<br /> **This test is not available for Florida, New York or Rhode Island patient testing**
Preferred Specimen
1 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Other Acceptable Specimens
Sodium heparin (green-top)
Instructions
Store and ship the specimen frozen
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: Indefinite
Refrigerated: Unacceptable
Frozen: Indefinite
Methodology
Gas Chromatography Mass Spectrophotometry (GC/MS)
Setup Schedule
Average TAT is 5-7 days; Set up is batched 1-2 times a week.