| Methodology: |
Branched Chain DNA
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| Performed: |
Wed, Sat
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| Reported: |
2-5 days
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| Specimen Required: |
Collect: One 7 mL lavender (EDTA), pink (K2EDTA), or two 5 mL PPT.
Storage/Transport Temperature: 3 mL plasma, frozen. (Min: 1.5 mL) Submit specimen in an ARUP Standard Transport Tube. Specimens collected in a PPT may be submitted in the original container.
Submit specimen according to Biological Substance, Category B, shipping guidelines.
Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Separate plasma from cells within four hours.
Unacceptable Conditions: Serum. Heparinized specimens.
Stability (collection to initiation of testing): EDTA or K2 EDTA: Ambient: 4 hours (on cells); Plasma removed from cells: Refrigerated: 48 hours;
Frozen (-20°C): 3 days; Frozen (-70°C): 4 months
K2 Plasma Preparation Tube (Plasma Preparation Tube): Ambient: 2 hours (on cells); Plasma removed from cells:
Ambient: 24 hours; Refrigerated: Unacceptable; Frozen (-20°C): 3 days; Frozen (-70°C): 4 months
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