Hi Guest!

D7509 - marsupialization of odontogenic cyst
can be crosscoded to one of the following, depending on the location:
41800 - Drainage of abscess, cyst, hematoma from dentoalveolar structures
41000 - Intraoral incision and drainage of abscess, cyst, or hematoma of tongue or floor of mouth; lingual
41005 - Intraoral incision and drainage of abscess, cyst, or hematoma of tongue or floor of mouth; sublingual, superficial
41006 - Intraoral incision and drainage of abscess, cyst, or hematoma of tongue or floor of mouth; sublingual, deep, supramylohyoid
41007 - Intraoral incision and drainage of abscess, cyst, or hematoma of tongue or floor of mouth; submental space
41008 - Intraoral incision and drainage of abscess, cyst, or hematoma of tongue or floor of mouth; submandibular space
41009 - Intraoral incision and drainage of abscess, cyst, or hematoma of tongue or floor of mouth; masticator space

Hope this helps!