WHAT IS THE APPROPRIATE CPT CODE,HCPCS CODE,MODIFIERS,AND DIAGNOSIS CODES FOR THE ENT, THE 33YEAR OLD FEMALE HAS BEEN SUFFERING WITHCHRONIC ETJMOIDAL SINUSITIS FOR SEVERAL YEARS, SYMPTOMATIC WITH SINUS CONGESTION, FACIAL PAIN AND PRESSURE. SHE ALSO HAS A MILD INTERMITENT ASTHMA. THE PHYSICIAN PERFORMS A NASAL ENDOSCOPY, TO INSPECT THE ETHMOID SINUS, LOCATES A LARGE POLYP IN THE ETHMOID SINUS, AND THEREFORE PERFORMS A POLYPECTOMY. THE PHYSICIAN THEN INSERTS THE PROPRL DRUG ELUTTING DISSOLVABLE STENT INTO HER ETHMOID SINUS