AMITRIPTYLINE / NORTRIPTYLINE, SERUM

Modification Reference values

Test code: 281

PREVIOUS Reference values	CURRENT  Reference values
THERAPEUTIC LEVEL: 120 - 250        ng/mL TOXIC LEVEL      : Greater than 500 ng/mL	THERAPEUTIC LEVEL:         50 - 300 ng/mL TOXIC LEVEL      : Greater than 500 ng/mL    * NOTE: Amitritilyne  metabolizes  partially to  nortriptyline and both of them are of concern in therapeutic  values. The    therapeutic values    are refer to addition of both metabolites.

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