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Digitoxin Level

Crystodigin, Digitaline (Digitoxin), Lanatoxin

Test Codes

EPIC: LAB1231189, Beaker: XDIGI, ARUP: 3002537

Department

Send Outs

Instructions

This test will not measure Digoxin (Lanoxin). For Digoxin testing, please order Digoxin Level.

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.
Also acceptable: One Lavender-top EDTA tube.

• Do not use Serum Separator Tubes.
• Time of Collection: 8-12 hours after the last dose.

Physician Office/Draw Specimen Preparation

Centrifuge to separate serum or plasma from cells within two hours of collection. Transfer serum or plasma to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Rejection Criteria

• Serum Separator (SST) tubes.
• Specimens not collected and processed as indicated.

In-Lab Processing

Centrifuge to separate serum or plasma from cells within two hours of collection. Transfer serum or plasma to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): 3 months

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT. Forwarded to National Medical Services (NMS), Willow Grove, PA.

Performed

Varies.
Results available in 6-9 days.

Reference Range

By report.

Test Methodology

Quantitative Immunoassay.

CPT Codes

80375 (Alt code: G0480)

Contacts

Last Updated

10/22/2024