Mass. Gen. Laws ch. 278A § 18 : CRIMES, PUNISHMENTS AND PROCEEDINGS IN CRIMINAL CASES — PROCEEDINGS IN CRIMINAL CASES — POST CONVICTION ACCESS TO FORENSIC AND SCIENTIFIC ANALYSIS — Appeals

An order allowing or denying a motion for forensic or scientific analysis filed under this chapter shall be a final and appealable order. If the moving party appeals an order denying a motion for forensic or scientific analysis the moving party shall file a notice of appeal with the court within 30 days after the entry of the judgment.