Update Type: Test Down or Delayed
Test Updated: 05/18/2022
Test Overview
Test Methodology
Immunoassay
Test Usage
Monitor therapeutic drug level.
Reference Range *
10 - 30 ng/mL
Test Details
Days Set Up
Tuesday, Thursday
Analytic Time
5 - 10 days
Soft Order Code
FDGTX
MiChart Code
Digitoxin Level
Synonyms
- Nativel
- Digifortis
- Digitaline
- Myodigin
- Crystodigin
Laboratory
Sendout
Reference Laboratory
Mayo FDGTX (NMS 1613SP)
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect specimen in a red top, lavender top (EDTA), or green top (heparin) tube; do not use SST tube. Centrifuge, aliquot serum or plasma into a plastic vial and refrigerate.
Normal Volume
1.0 mL serum or plasma
Minimum Volume
0.25 mL serum or plasma, no SST
Rejection Criteria
SST tube not acceptable.
Additional Information
Optimal sampling time after dosage is 6 hours. Optimal resampling time after change in dosage is 48-96 hours. Test sent to Mayo Medical Laboratories; performed by NMS Labs.
Billing
CPT Code
80375
Fee Code
AA443
LOINC
3559-2
NY State Approved
No