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NORTM / NOTRP-M
NORTRIPTYLINE, S

Test Code NORTM / NOTRP-M 
Test NORTRIPTYLINE, S 
Methodology High-Pressure Liquid Chromatography (HPLC) 
Specimen Draw blood in a plain, red-top tube. (SERUM GEL TUBE IS NOT ACCEPTABLE.) Spin down and send 1.0 mL (minimum: 0.25 mL) of serum refrigerated.
Serum must be separated from cells within 2 hours of draw. 
Reference Values Therapeutic concentration: 70-170 ng/mL

Note: Therapeutic ranges are for specimens drawn at trough (ie, immediately before next scheduled dose). Levels may be elevated in non-trough specimens. 

Analytic Time 1 Day 
Day(s) Test Set Up Sunday through Friday 
CPT Code(s) 80335  
G0480 or  G0481 or G0482 or G0483, Drug test(s), definitive (Government payers, if appropriate), if indicated