Central Office is the official industry body that prepares the AHA Coding Clinic for ICD-9-CM. The Handbook helps coders understand the principles behind the classification system so they can apply the official coding advice found in the ICD-9-CM Coding Manual. Academic and in-service instructors can easily arrange course outlines and study exercises around Handbook chapters to train new and experienced coders. Each Handbook contains 100-plus exercises and review questions plus, 269 case summary exercises that are based on real patient records.

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