It all depends how you are eventually charged, mc9820.
TN, as do most states, take a dim view of forging (or altering) a note by a physician.
In your state, altering a note by a physician is treated the same as altering (or forging) a prescription.
Plead not guilty, make no statements, ask the court to appoint you a lawyer, and stand on your right to remain silent.
http://therogersvillereview.com/story/4592
If you are charged with forgery, it is a serious offense.
Forgery is punishable as a felony in all fifty states and by the federal government.
Forgery involves the making, altering, use, or possession of a false writing in order to commit a fraud.
It can occur in many forms, from signing another person's name on a check to falsifying one's own official school records.
The writing must have apparent legal significance. In order to be punishable as forgery, the writing in question must have apparent legal significance. This includes government-issued documents such as drivers' licenses and passports; transactional documents such as deeds, conveyances, and receipts; financial instruments such as currencies, checks, or stock certificates; and other documents such as wills, patents, medical prescriptions, and works of art.
To have legal significance, a document need not necessarily be a legal or government-issued document--it must simply affect legal rights and obligations. For this reason, documents such as letters of recommendation or notes from physicians may also be the subjects of forgery. In contrast, signing another person's name to a letter to a friend would probably not constitute forgery, because in most cases it would not have legal significance.
The writing must be false. To be considered false, the writing itself must be fabricated or materially altered so that it purports to be or represent something that it is actually not. Generally, simply inserting false statements into a writing is not enough to meet this requirement, if those misrepresentations do not change the fundamental meaning of the writing itself. For example, if you insert a false statement into a letter you wrote, you have not committed forgery. However, it is forgery if you write a letter of legal significance, but present it as a letter written by someone else.