91172 Nortriptyline - Interpath Laboratory, Inc.

91172 Nortriptyline

Specimen:

Collect:

One 10 mL Red Top

Also Acceptable
One 4 mL Lavender (EDTA)
One 4 mL Green Top (Na Heparin)
One 4 mL Gray Top

Submit:

2 mL (Min:0.6 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable
2 mL (Min:0.6 mL) Plasma. Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling:

If amitriptyline administered, order Test # 91018 Amitriptyline/Nortriptyline

Rejection Criteria:

Use of separator tubes

Stability:

Ambient: 5 Day(s); Refrigerated: 2 Week(s); Frozen: 6 Month(s); Incubated: Unacceptable

Methodology:

Fluorescence Polarization Immunoassay (FPIA)

Performed:

Sun-Sat

Reported:

2-3 Day(s)

CPT Codes:

80182 - TDM Nortriptyline

Interpretive Data:

General Reference Range : 50-150 ng/mL