Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
DIG
Methodology

Immunoassay

Performed

Mon-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation

Collect specimen 8-12 hours (no earlier than 6 hours) after administration of oral dose.

Collect

Plain red. Also acceptable: Green (sodium or lithium heparin).

Specimen Preparation

Remove 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

Frozen. Also acceptable: Refrigerated.

Unacceptable Conditions

Specimens collected in sodium fluoride, potassium oxalate or separator tubes. Hemolyzed specimens.

Remarks

Refrigerated.

Stability

After separation from cells: Ambient: 8 hours; Refrigerated: 48 hours; Frozen: 1 week

Reference Interval

0.8-2.0 ng/mL
Toxic: greater than 2.4 ng/mL

Interpretive Data

The presence of therapeutic anti-digoxin immune fragments in the specimen may result in spuriously high digoxin levels.

Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

80162

Components
Component Test Code* Component Chart Name LOINC
0090080 Digoxin 10535-3
* 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
  • Lanoxin
  • serum digoxin concentration
Digoxin