ICD-10-PCS Coding Guidelines - CMS

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1 ICD-10-PCS Coding Guidelines Table of Contents A. Conventions ........................................ .............................1 B. Medical and Surgical Section Guidelines ..................................4 2. Body System ........................................ .....................4 3. Root 4. Body Part ........................................ ........................9 5. Approach ........................................ ......................12 6. Device ........................................ ...........................13 C. Obstetrics S ection Conventions A1 ICD-10-PCS codes are composed of seven characters.

Coronary artery bypass procedures are coded differently than other bypass procedures as described in the previous guideline. Rather than identifying the body part bypassed from, the body part identifies the number of coronary artery sites bypassed to, and the qualifier specifies the vessel bypassed from.

  Bypass, Coronary, Artery, Coronary artery, Coronary artery bypass