Feedback
Digitoxin
0090085
Ordering Recommendation

Optimize drug therapy and monitor patient adherence. Does not measure digoxin (Lanoxin, Digitek); for digoxin testing, order digoxin test (0090080).

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.
Submit With Order
ARUP Consult®
Disease Topics
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
Effective November 16, 2015
Therapeutic Range: 10.0-30.0 ng/mL
Toxic: Greater than 45.0 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 NameLOINC
0090085Digitoxin3559-2
* 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.
Aliases
  • Crystodigin(R)
  • Digitaline
  • Lanatoxin(R)
  • Lanoxin