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| 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 # |
Biotin (Vitamin B7)
Test CodeLAB6428
Quest Code
391Z
CPT Codes
84591
Preferred Specimen
2 mL serum collected in a red top (no gel) tube.
Allow sample to clot for 30 minutes.
Centrifuge at 3000 rpm for 10 minutes and pour serum
into a transport tube. Wrap in foil to protect from
light. Freeze immediately.
Other acceptable specimen: SST (red-top)
Allow sample to clot for 30 minutes.
Centrifuge at 3000 rpm for 10 minutes and pour serum
into a transport tube. Wrap in foil to protect from
light. Freeze immediately.
Other acceptable specimen: SST (red-top)
Minimum Volume
1 mL
Specimen Stability
Room Temperature: unacceptable
Refrigerated: unacceptable
Frozen: 14 days
Refrigerated: unacceptable
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimens; Lipemic specimens; Ambient
temperature specimens; Not light protected; Specimens
outside of listed stability
temperature specimens; Not light protected; Specimens
outside of listed stability
Methodology
Bioassay (BA)
Setup Schedule
Set up: Mon, Thurs; Report available: 4 days
Report Available
4 days
Reference Range
| Pediatric (<12 years) | 57.0-2460.2 pg/mL |
| Adult (≥12 years) | 221.0-3004.0 pg/mL |
Performing Laboratory
Cambridge Biomedical
