Which of the following applies to the Root Operations that always involve a device? Check all that apply.

ICD-10-PCS stands for International Classification of Diseases, Tenth Revision, Procedure Coding System; and consists of procedure codes.

A 45 YO male presents to the ED complaining of constant pain in his anal area. The ED physician examined the patient and visualized a fluctuant, tender mass in the anal canal just past the anal orifice. The patient was also found to have a high fever and hypotension and tachycardia. The ED physician diagnosed the patient with sepsis and a perianal abscess. The patient was started on IV fluids and antibiotics and was taken to the OR for I&D of the abscess.  OR note: An incision was made in the mucosa of the anal canal overlying the tender mass and purulent drainage immediately resulted from the incised abscess cavity. Cultures were obtained which came back positive for B. fragilis, an anaerobic Gram-negative bacterium. The abscess cavity was irrigated with sterile saline and left open to drain and heal.  The patient remained in the hospital for several days for continued administration of antibiotics and fluids and monitoring.  Discharge diagnosis: B. fragilis sepsis due to perianal abscess. Principal Diagnosis: Diagnosis: Principal Procedure:

Define complication.

A patient has a total knee joint replacement. Which of the following is the correct way to code the procedure. 

Which PCS character defines the general physiological system or anatomical region involved?

Which PCS character, if used, falls into the four basic categories for: grafts and prostheses, implants, simple of mechanical appliances, and electronic appliances?

Urinary tract infection due to Proteus mirabilis (2 codes)

Gonococcal urethritis (1 code)  

Each character in the seven-character PCS code represents a particular aspect of the procedure. The characters are used are – ? Check all that apply.