The transition from ICD-9-CM to ICD-10-CM coding will take place on Oct. 1, 2015. Educate yourself and prepare for the transition with the convenient new coding reference from the AASM: the ICD-9-CM to ICD-10-CM Comorbid Crosswalk. This reference includes codes for common comorbid disorders encountered by sleep physicians, such as diabetes, depression, hypertension, COPD and heart failure. Purchase your copy for only $10 from the AASM Online Store.