Patient should discontinue taking Biotin, Vitamin B7, or Vitamin H 48 hours before getting blood drawn.
5.0 mL Serum in a SST Gold Top Tube
5 days Refrigerated
30 days Frozen
(Do not use frost free units that undergo repeated freeze/thaw cycles)
1.0 mL Serum (4.0 mL if confirmations needed)
Hepatitis A Ab: Negative
Hepatitis B Core Ab: Negative
Hepatitis B Surface Ag: Negative
Hepatitis C Ab: Negative
Hepatitis C Viral RNA, Quantitative Real-Time PCR with Reflex to Qualitative TMA (HPCQN) will be ordered and CPT 87522 charged if Hepatitis C Antibody result is borderline or positive.
HBsAg Confirmation by Neutralization will be performed and CPT 87341 charged if Hepatitis B Surface Antigen result is positive.
Patients taking vitamin supplements containing dose of >5 mg/day may have falsely decreased test results generated.
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