Major Diagnostic Category

  • MDC 00 - Pre-MDC
  • MDC 01 - Diseases & Disorders of the Nervous System
  • MDC 02 - Diseases & Disorders of the Eye
  • MDC 03 - Diseases & Disorders of the Ear, Nose, Mouth & Throat
  • MDC 04 - Diseases & Disorders of the Respiratory System
  • MDC 05 - Diseases & Disorders of the Circulatory System
  • MDC 06 - Diseases & Disorders of the Digestive System
  • MDC 07 - Diseases & Disorders of the Hepatobiliary System & Pancreas
  • MDC 08 - Diseases & Disorders of the Musculoskeletal System & Connective Tissue
  • MDC 09 - Diseases & Disorders of the Skin, Subcutaneous Tissue & Breast
  • MDC 10 - Endocrine, Nutritional & Metabolic Diseases & Disorders
  • MDC 11 - Diseases & Disorders of the Kidney & Urinary Tract
  • MDC 12 - Diseases & Disorders of the Male Reproductive System
  • MDC 13 - Diseases & Disorders of the Female Reproductive System
  • MDC 14 - Pregnancy, Childbirth & the Puerperium
  • MDC 15 - Newborns & Other Neonates with Conditions Originating in Perinatal Period
  • MDC 16 - Diseases & Disorders of Blood, Blood Forming Organs, Immunologic Disorders
  • MDC 17 - Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms
  • MDC 18 - Infectious & Parasitic Diseases, Systemic or Unspecified Sites
  • MDC 19 - Mental Diseases & Disorders
  • MDC 20 - Alcohol/Drug Use & Alcohol/Drug Induced Organic Mental Disorders
  • MDC 21 - Injuries, Poisonings & Toxic Effects of Drugs
  • MDC 22 - Burns
  • MDC 23 - Factors Influencing Health Status & Other Contacts with Health Services
  • MDC 24 - Multiple Significant Trauma
  • MDC 25 - Human Immunodeficiency Virus Infections
  • MDC 99 - Other

Medicare Severity Diagnosis Related Groups (MS-DRG) for MDC-03

  • CC = Complication or Comorbidity
  • MCC = Major Complication or Comorbidity
    • DRG 146 - EAR, NOSE, MOUTH AND THROAT MALIGNANCY WITH MCC
    • DRG 147 - EAR, NOSE, MOUTH AND THROAT MALIGNANCY WITH CC
    • DRG 148 - EAR, NOSE, MOUTH AND THROAT MALIGNANCY WITHOUT CC/MCC
    • DRG 149 - DYSEQUILIBRIUM
    • DRG 150 - EPISTAXIS WITH MCC
    • DRG 151 - EPISTAXIS WITHOUT MCC
    • DRG 152 - OTITIS MEDIA AND URI WITH MCC
    • DRG 153 - OTITIS MEDIA AND URI WITHOUT MCC
    • DRG 154 - OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITH MCC
    • DRG 155 - OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITH CC
    • DRG 156 - OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITHOUT CC/MCC
    • DRG 157 - DENTAL AND ORAL DISEASES WITH MCC
    • DRG 158 - DENTAL AND ORAL DISEASES WITH CC
    • DRG 159 - DENTAL AND ORAL DISEASES WITHOUT CC/MCC
    • DRG 129 - MAJOR HEAD AND NECK PROCEDURES WITH CC/MCC OR MAJOR DEVICE
    • DRG 130 - MAJOR HEAD AND NECK PROCEDURES WITHOUT CC/MCC
    • DRG 131 - CRANIAL AND FACIAL PROCEDURES WITH CC/MCC
    • DRG 132 - CRANIAL AND FACIAL PROCEDURES WITHOUT CC/MCC
    • DRG 133 - OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITH CC/MCC
    • DRG 134 - OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITHOUT CC/MCC
    • DRG 135 - SINUS AND MASTOID PROCEDURES WITH CC/MCC
    • DRG 136 - SINUS AND MASTOID PROCEDURES WITHOUT CC/MCC
    • DRG 137 - MOUTH PROCEDURES WITH CC/MCC
    • DRG 138 - MOUTH PROCEDURES WITHOUT CC/MCC
    • DRG 139 - SALIVARY GLAND PROCEDURES