Digoxin Lvl (DIG)
Department: Chemistry
Test Synonym(s): LAB23, DIG, Digoxin Level
CPT Codes: 80162
Methodology: Latex Microparticle Agglutination
Reference Range: 0-150 yrs: Therapeutic range: 0.8 - 2.0 ng/mL
Tube Type: Dark green top (Sodium Heparin)
Specimen: Blood
Alternate Specimen: Red top (no gel)
Pediatric Requirements: 1 dark green microtainer
Volume: 5 mL blood
Minimum Volume: 0.5 mL serum or plasma
Temperature: See special instructions
Stability: Refrigerated (2-8° C): 2 days; frozen (-20° C) for longer storage
Reasons for Rejection: Patient on Digibind; Hemolysis
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour, routine: 2 hours
Special Instructions: Draw immediately before next dose - refrigerate if not delivered immediately. Draw before administration of therapeutic antibodies - results are falsely elevated after administration.
Search Help
Search Options for the Test Directory:
1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)
2. Enter the Vanderbilt Test Code, if known.
3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.
If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail emily.k.thompson@vumc.org.