Digitoxin
0090085
Ordering Recommendation
This test will not measure digoxin (Lanoxin, Digitek); for digoxin testing, order Digoxin (0090080).
Submit With Order
Mnemonic
DIGT
Methodology
Quantitative CEDIA Immunoassay
Performed
Mon, Wed, Fri
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Timing of specimen collection: At steady state concentration, 8-12 hrs. after last dose.  
Collect
Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA).  
Specimen Preparation
Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).  
Remarks
 
Stability
After separation from cells: Ambient: 5 days; Refrigerated: 5 days; Frozen: 2 months  
Reference Interval
Therapeutic Range:
10.0-32.0 ng/mL
Toxic: > 35.0 ng/mL
Interpretive Data
Toxic concentrations may cause nausea, vomiting and cardiac abnormalities.
Note
This test will not measure digoxin (Lanoxin, Digitek); for digoxin testing, order Digoxin (0090080).
CPT Code(s)
80299
Components
Component Test Code*Component Chart Name
0090085Digitoxin
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • Crystodigin®
  • Digitaline
  • Lanatoxin®
  • Lanoxin