BIOTIN Level
| Abbrev Code: | MMMISC | ||
| Order Code: | LAB4909 | Order Name: | Laboratory Miscellaneous Order |
| Synonyms: | Vitamin B7 | ||
| Methodology: | Microbiological assay | ||
| CPT Codes: | 84591 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 1-19 days. | ||
| Compliance: | The performance characteristics of the listed assay was validated by Cambridge Biomedical Inc. The US FDA has not approved or cleared this test. The results of this assay can be used for clinical diagnosis without FDA approval. Cambridge Biomedical Inc. is a CLIA certified, CAP accredited laboratory for performing high complexity assays such as this one. |
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Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 2.2 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Collection Instructions: | Protect from light. |
| Causes for Rejection: | Non-frozen specimens. Specimens not protected from light. Grossly hemolyzed or lipemic specimens. |
Processing and Shipping
| Specimen Processing: | Allow sample to clot for 30 minutes and centrifuge and aliquot 2 mL, 1.0 mL minimum. Protect from light. Freeze immediately. |
| Shipping Instructions: | Ship on dry ice. |
| Stability: | 14 days frozen (preferred) and protected from light; 7 days refrigerated and protected from light. |
| Test Performed at or Referral Lab | Lab Sendouts (Mayo Medical Laboratories) |
| Referral Lab number: | FBIOT |
Interpretive
| Reference Range: |
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| Use: | Determination of biotin levels. Not indicated for diagnosing patients with biotinidase deficiency or as a follow up of an abnormal newborn screen for biotinidase deficiency. |
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