laboratory diagnostic - drugs - Gabapentin, serum 2ml. The serum must be frozen within 4 hour after collection and must be sent in the frozen samples container.Do not use tubes with phase separators. Always sample at the same time before another administration. All requests must ALWAYS contain: sampling date and time; the date and time of the last dose; the reasons for the prescription (efficiency and/or toxicity test); the treatment start date and/or the date of any change of dosage; the subject's age, height and weight, when possible; the dosage data (quantity administered, frequency, administration route), LPC/Fluorimetry, ssso, todylaboratories®, bmn, code L16LD1416