Major Diagnostic Category: Difference between revisions
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Deleted MDC 26, 27 (don't exist), corrected MDC 27 to missing, updated MDC 00 "Pre" (incl. MS DRG 001-017) which includes transplants and had been coded as MDC 26 "Transplants." From CMS Table 5, Fiscal Year 2017 Final Rule and Correction Notice Tables. |
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|Pregnancy, Childbirth And Puerperium |
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|969 – 977 |
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|MDC Categoryo |
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|Transplants |
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|1 - 989; 998,9998 |
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|001 – 013 |
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!27 |
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|Extensive Procedures Unrelated to Principal Diagnosis |
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|981-989; 999 |
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Revision as of 19:23, 28 June 2017
The Major Diagnostic Categories (MDC) are formed by dividing all possible principal diagnoses (from ICD-9-CM) into 25 mutually exclusive diagnosis areas. MDC codes, like diagnosis-related group (DRG) codes, are primarily a claims and administrative data element unique to the United States medical care reimbursement system. DRG codes also are mapped, or grouped, into MDC codes.
The diagnoses in each MDC correspond to a single organ system or cause and, in general, are associated with a particular medical specialty. MDC 1 to MDC 23 are grouped according to principal diagnoses. Patients are assigned to MDC 24 (Multiple Significant Trauma) with at least two significant trauma diagnosis codes (either as principal or secondaries) from different body site categories. Patients assigned to MDC 25 (HIV Infections) must have a principal diagnosis of an HIV Infection or a principal diagnosis of a significant HIV related condition and a secondary diagnosis of an HIV Infection.
MDC 0, unlike the others, can be reached from a number of diagnosis/procedure situations, all related to transplants. This is due to the expense involved for the transplants so designated and because these transplants can be needed for a number of reasons which do not all come from one diagnosis domain. DRGs which reach MDC 0 are assigned to the MDC for the principal diagnosis instead of to the MDC associated with the designated DRG.
List of Major Diagnostic Categories
| MDC | Description | MS-DRG[1] |
|---|---|---|
| 0 | Pre-MDC | 001-017 |
| 1 | Diseases and Disorders of the Nervous System | 020 - 103 |
| 2 | Diseases and Disorders of the Eye | 113 - 125 |
| 3 | Diseases and Disorders of the Ear, Nose, Mouth And Throat | 129 - 159 |
| 4 | Diseases and Disorders of the Respiratory System | 163 - 208 |
| 5 | Diseases and Disorders of the Circulatory System | 215 - 316 |
| 6 | Diseases and Disorders of the Digestive System | 326 - 395 |
| 7 | Diseases and Disorders of the Hepatobiliary System And Pancreas | 405 - 446 |
| 8 | Diseases and Disorders of the Musculoskeletal System And Connective Tissue | 453 - 566 |
| 9 | Diseases and Disorders of the Skin, Subcutaneous Tissue And Breast | 573 - 607 |
| 10 | Diseases and Disorders of the Endocrine, Nutritional And Metabolic System | 614 - 645 |
| 11 | Diseases and Disorders of the Kidney And Urinary Tract | 652 - 700 |
| 12 | Diseases and Disorders of the Male Reproductive System | 707 - 730 |
| 13 | Diseases and Disorders of the Female Reproductive System | 734 - 761 |
| 14 | Pregnancy, Childbirth And Puerperium | 765 - 782 |
| 15 | Newborn And Other Neonates (Perinatal Period) | 789 - 795 |
| 16 | Diseases and Disorders of the Blood and Blood Forming Organs and Immunological Disorders | 799 - 816 |
| 17 | Myeloproliferative DDs (Poorly Differentiated Neoplasms) | 820 - 849 |
| 18 | Infectious and Parasitic DDs (Systemic or unspecified sites) | 853 - 872 |
| 19 | Mental Diseases and Disorders | 876 - 887 |
| 20 | Alcohol/Drug Use or Induced Mental Disorders | 894 - 897 |
| 21 | Injuries, Poison And Toxic Effect of Drugs | 901 - 923 |
| 22 | Burns | 927 - 935 |
| 23 | Factors Influencing Health Status and Other Contacts with Health Services | 939 - 951 |
| 24 | Multiple Significant Trauma | 955 - 965 |
| 25 | Human Immunodeficiency Virus Infection | 969 – 977 |
| MDC Categoryo | 1 - 989; 998,9998 |
See also
References
- ^ "Major Diagnostic Category (MDC) to MS-DRG Mapping Cheat Sheet". Retrieved 2016-11-09.