Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

DIGOXIN LEVEL

General Information

Lab Order Codes:

DIGO

Synonyms:

Lanoxicaps®, Lanoxin®

CPT Codes:

80162 - Digoxin

Test Includes:

Digoxin level reported in ng/mL.

Logistics

Test Indications:

Cardiovascular therapeutic drug monitoring

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

MedTox Laboratories (Test# 38)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 day

Special Instructions:

Collect after a minimum of 6 hours post dose; trough levels are most reproducible.

Specimen

Specimen Type:

Whole blood

Container:

Green top (Li Heparin) or Red top tube

Draw Volume:

6 mL (Minimum: 1 mL) blood

Processed Volume:

2 mL (Minimum 0.3 mL) serum/plasma

Note: Submission of the minimum volume results in an elevated reporting limit and inability to repeat analysis.

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into a screw-capped round bottom plastic vial. Store and ship at refrigerated temperatures. Forward promptly.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimens

Interpretive

Reference Range:

0.5 – 2.0 ng/mL

Critical Values:

>2.4 ng/mL

Limitations:

Reporting limit: 0.2 ng/mL

Methodology:

Immunoassay (IA)

References:

MedTox Laboratories Web Page (June 2013) www.medtox.com



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