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  2. Major Diagnostic Category - Wikipedia

    en.wikipedia.org/wiki/Major_Diagnostic_Category

    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 ...

  3. ICD-10-CM - Wikipedia

    en.wikipedia.org/wiki/ICD-10-CM

    Since 1979, the US had required ICD-9-CM codes [3] for Medicare and Medicaid claims, and most of the rest of the medical industry in the US followed suit. On January 1, 1999, the ICD-10 (without clinical extensions) was adopted for reporting mortality, however, ICD-9-CM continued to be used for morbidity.

  4. ICD-10 - Wikipedia

    en.wikipedia.org/wiki/ICD-10

    ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]

  5. ICD-10 Procedure Coding System - Wikipedia

    en.wikipedia.org/wiki/ICD-10_Procedure_Coding_System

    The ICD-10 Procedure Coding System (ICD-10-PCS) is a US system of medical classification used for procedural coding.The Centers for Medicare and Medicaid Services, the agency responsible for maintaining the inpatient procedure code set in the U.S., contracted with 3M Health Information Systems in 1995 to design and then develop a procedure classification system to replace Volume 3 of ICD-9-CM.

  6. Diagnosis-related group - Wikipedia

    en.wikipedia.org/wiki/Diagnosis-related_group

    Diagnosis codes relating to swallowing eye drops moved from DRGs 124-125 (Other Disorders of the Eye) to 917-918 (Poisoning and Toxic Effects of Drugs). [22] Grouper 34 issue addressed relating to the 7th character of prosthetic/implant diagnosis codes in the T85.8-series indicating "initial encounter", "subsequent encounter" and "sequel". [23]

  7. Current Procedural Terminology - Wikipedia

    en.wikipedia.org/wiki/Current_Procedural_Terminology

    The CPT code revisions in 2013 were part of a periodic five-year review of codes. Some psychotherapy codes changed numbers, for example 90806 changed to 90834 for individual psychotherapy of a similar duration. Add-on codes were created for the complexity of communication about procedures.

  8. List of abbreviations for diseases and disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_for...

    List of medical abbreviations: Overview; List of medical abbreviations: Latin abbreviations; List of abbreviations for medical organisations and personnel; List of abbreviations used in medical prescriptions; List of optometric abbreviations

  9. Medical classification - Wikipedia

    en.wikipedia.org/wiki/Medical_classification

    ICD-9-CM was the US' adaptation of ICD-9 and was maintained for use until September 2015. Starting on October 1, 2015, the Centers for Medicare and Medicaid Services (CMMS) granted physicians a one-year grace period to begin using ICD-10-CM, or they would be denied Medicare Part B claims. [11]