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Test Code LAB10559 Amitriptyline (Elavil®, Pamelor®)

Department

SEND OUTS

Reference Lab Test Number

AMITR

Refer To

Warde Lab

Primary Collection Container

Red (No Gel)

Alternate Collection Container

Lavender 4 mL (K3EDTA)

Transport

Serum or plasma refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge and separate from cells within 8 hours. Send 1.0 mL serum in a screw-capped plastic vial.

Stability

Ambient: 48 hours

Refrigerated: 14 days

Frozen: 14 days

Minimum Testing Volume

0.5 mL

Reference Range

Amitriptyline + Nortriptyline

Therapeutic: 90–250 ng/mL

Toxic: >500 ng/mL

Methodology

High Performance Liquid Chromatography

Performed

Monday – Friday

Reported

2-4 days

CPT Codes

80335 (G0480)

Additional Information

Components: Includes Nortriptyline