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Test ID DIG Digoxin, Serum

Useful For

Monitoring digoxin therapy

Method Name

Electrochemiluminescent Immunoassay

Reporting Name

Digoxin, S

Specimen Type

Serum


Specimen Required


Patient Preparation: For 12 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Draw blood 6 to 8 hours after the last dose of digoxin.

2. Serum gel tubes should be centrifuged within 2 hours of collection.

3. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  180 days

Reference Values

<16 years:

Therapeutic ranges have not been established for patients who are less than 16 years of age.

 

≥16 years:

Therapeutic range: 0.6-1.2 ng/mL

Toxic concentration: ≥4.0 ng/mL

Day(s) Performed

Monday through Sunday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80162

LOINC Code Information

Test ID Test Order Name Order LOINC Value
DIG Digoxin, S 83093-5

 

Result ID Test Result Name Result LOINC Value
DIG Digoxin, S 83093-5

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

Same day/1 to 2 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Cardiovascular Test Request Form (T724)

-Therapeutics Test Request (T831)