The 2024 ICD-10-CM Expert for Hospitals with Guidelines, with its hallmark features and format, makes the challenge of accurate diagnosis coding easier for acute care and long-term care hospitals (LTCH). This code book contains the complete ICD-10-CM code set, MCEs, and ICD-10 MS-DRG edits with symbols identifying codes for comorbidities/complications (CC) and major comorbidities/complications (MCC). Also identified are hospital acquired conditions (HAC) and CMS hierarchical condition categories (HCC).