DIGOXIN Mnemonic DIG Synonym Lanoxin® Specimen Collection Requirements Collect Site-specific: Consult Samaritan Epic Catalog or contact your local laboratory. Recommended Collection Times: Before dose or 8-24 hrs. post last dose Handling Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells ASAP. Preferred Volume 1.0 mL Minimum Volume 0.5 mL Transport Refrigerated (2-8°C). Rejection Criteria Grossly hemolyzed or severly lipemic specimens Stability AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 8 hours; Refrigerated (2-8°C): 7 days; Frozen (at or below -20°C): 6 months Testing Information Performed 7 days/week Method Enzymatic Immunoassay Referral Lab Samaritan Health Services Laboratories Reference Values Therapeutic Range 0.5-1.0 ng/mL Toxic Levels ADULT: >2.5 ng/mL CHILD: >3.0 ng/mL CPT Codes 80162 Last Updated: Thursday, January 17, 2019 09:23:04 AM