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  2. List of ICD-9 codes 290–319: mental disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_ICD-9_codes_290...

    The DSM-5 (2013), the current version, also features ICD-9-CM codes, listing them alongside the codes of Chapter V of the ICD-10-CM. On 1 October 2015, the United States health care system officially switched from the ICD-9-CM to the ICD-10-CM. [1] [2] The DSM is the authoritative reference work in diagnosing mental disorders in the world.

  3. 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.

  4. 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.

  5. List of mental disorders in the DSM-IV and DSM-IV-TR ...

    en.wikipedia.org/wiki/List_of_mental_disorders...

    This is an alphabetically sorted list of all mental disorders in the DSM-IV and DSM-IV-TR, along with their ICD-9-CM codes, where applicable. The DSM-IV-TR is a text revision of the DSM-IV. [1] While no new disorders were added in this version, 11 subtypes were added and 8 were removed. This list features both the added and removed subtypes.

  6. Healthcare Common Procedure Coding System - Wikipedia

    en.wikipedia.org/wiki/Healthcare_Common...

    HCPCS includes three levels of codes: Level I consists of the American Medical Association's Current Procedural Terminology (CPT) and is numeric.; Level II codes are alphanumeric and primarily include non-physician services such as ambulance services and prosthetic devices, and represent items and supplies and non-physician services, not covered by CPT-4 codes (Level I).

  7. Diagnosis code - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_code

    Diagnostic coding is the translation of written descriptions of diseases, illnesses and injuries into codes from a particular classification. In medical classification, diagnosis codes are used as part of the clinical coding process alongside intervention codes. Both diagnosis and intervention codes are assigned by a health professional trained ...

  8. Medical classification - Wikipedia

    en.wikipedia.org/wiki/Medical_classification

    A medical classification is used to transform descriptions of medical diagnoses or procedures into standardized statistical code in a process known as clinical coding. Diagnosis classifications list diagnosis codes, which are used to track diseases and other health conditions, inclusive of chronic diseases such as diabetes mellitus and heart ...

  9. Medical billing - Wikipedia

    en.wikipedia.org/wiki/Medical_billing

    Achieving a high clean claims rate is a key metric for measuring the efficiency of the billing cycle. Creation of the claim is where medical billing most directly overlaps with medical coding because billers take the ICD/CPT codes used by the medical coders and creates the claim. Step 6: Monitoring payor Adjudication [4]