Preoperative Diagnosis: Right Knee Degenerative Arthritis

Multiple Choice

Preoperative Diagnosis: Right knee degenerative arthritis
Postoperative Diagnosis: Same
Operation Performed: Arthroscopic irrigation and debridement of same with partial synovectomy
Estimated Blood Loss: Minimal
Complications: None
Description of Operation: The patient was placed on the table in supine position. The right lower extremity was prepped and draped without a tourniquet. The knee was injected with 30 mL of normal saline and standard arthroscopy portals were created. The arthroscopy was inserted and a complete diagnostic was performed. The knee was copiously irrigated with 9 L of irrigant. A partial synovectomy was performed in all compartments. Minimal amount of polyethylene wear was noted. The knee was then drained and the arthroscopic instruments were removed. The portals were closed with 4-0 nylon and local anesthetic was injected. A sterile dressing was applied; the patient was awakened from anesthesia and transported to the recovery room in stable condition.
Select the appropriate CPT and ICD-10-CM codes.

A) 27443-RT, M17.9
B) 27334, M17.9
C) 27334-RT, M17.9
D) 27441-RT, M17.11