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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. Diagnosis code - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_code

    Classification System Detail ICD-9-CM: Volumes 1 and 2 only. Volume 3 contains Procedure codes: ICD-10: The international standard since about 1998 ICPC-2: Also includes reasons for encounter (RFE), procedure codes and process of care

  4. ICD-10-CM - Wikipedia

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

    The ICD-10 Clinical Modification (ICD-10-CM) is a set of diagnosis codes used in the United States of America. [1] It was developed by a component of the U.S. Department of Health and Human services, [ 2 ] as an adaption of the ICD-10 with authorization from the World Health Organization .

  5. List of ICD-9 codes E and V codes: external causes of injury ...

    en.wikipedia.org/wiki/List_of_ICD-9_codes_E_and...

    ICD-9 chapters; Chapter Block Title I 001–139: Infectious and Parasitic Diseases II 140–239: Neoplasms III 240–279: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders

  6. List of ICD-9 codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ICD-9_codes

    List of ICD-9 codes 290–319: mental disorders; List of ICD-9 codes 320–389: diseases of the nervous system and sense organs; List of ICD-9 codes 390–459: diseases of the circulatory system; List of ICD-9 codes 460–519: diseases of the respiratory system; List of ICD-9 codes 520–579: diseases of the digestive system; List of ICD-9 ...

  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. DX encoding - Wikipedia

    en.wikipedia.org/wiki/DX_encoding

    The CAS code shows this is (top row) ISO 125 film, (bottom row) 24 exposures, +3/−1 f-stop exposure tolerance. The DX barcode reads 017563, showing DX number 109-12, 24 exposures. DX (Digital indeX) encoding is a standard for marking 35 mm and APS photographic film and film cartridges, originally introduced by Kodak in 1983.

  9. 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.