The teenager, who can not be named for legal reasons, entered a not guilty plea during a ten minute hearing at Lincoln Crown Court.
Police charged the youth with attempted murder following an incident at a property in Bradley Close, Louth, on Saturday May 28.
Lincolnshire Police said the alleged victim, a 19-year-old male, suffered a head injury.
Judge Michael Heath adjourned the case for trial at Lincoln Crown Court on November 7. It is expected to last three days.
The teenager was remanded in to youth detention until his next court appearance.
Adjourning the case Judge Heath told him: “Your trial at this court will take place on November 7.
“In the meantime you remain detained as you already are.”