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  2. National coverage determination - Wikipedia

    en.wikipedia.org/.../National_coverage_determination

    NCD decisions are binding on all Medicare contractors, and LCD policy can be no more restrictive than the NCD, although it can be less restrictive. [2] If an NCD or other coverage provision states that an item is "covered for diagnoses/conditions A, B and C", contractors should not use that as a basis to develop an LCD to cover only "diagnoses ...

  3. National Correct Coding Initiative - Wikipedia

    en.wikipedia.org/wiki/National_Correct_Coding...

    Mutually Exclusive Code Pairs (MEC): these code pairs should not be reported together because they are mutually exclusive of each other. NCCI code pairs must match on member, provider, and date of service. CMS maintains tables of code pair edits and updates these tables on a quarterly basis.

  4. Healthcare Common Procedure Coding System - Wikipedia

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

    Level III codes, also called local codes, were developed by state Medicaid agencies, Medicare contractors, and private insurers for use in specific programs and jurisdictions. The Health Insurance Portability and Accountability Act of 1996 (HIPAA) instructed CMS to adopt a standard coding systems for reporting medical transactions.

  5. Current Procedural Terminology - Wikipedia

    en.wikipedia.org/wiki/Current_Procedural_Terminology

    These digits are not intended to reflect the placement of the code in the regular (Category I) part of the CPT codebook. Appendix H in CPT section contains information about performance measurement exclusion of modifiers, measures, and the measures' source(s). Currently there are 11 Category II codes. They are: (0001F–0015F) Composite measures

  6. HCPCS Level 2 - Wikipedia

    en.wikipedia.org/wiki/HCPCS_Level_2

    Level II codes are composed of a single letter in the range A to V, followed by 4 digits. Level II codes are maintained by the US Centers for Medicare and Medicaid Services (CMS). There is some overlap between HCPCS codes and National Drug Code (NDC) codes, with a subset of NDC codes also in HCPCS, and vice versa. The CMS maintains a crosswalk ...

  7. National drug code - Wikipedia

    en.wikipedia.org/wiki/National_Drug_Code

    If the NDC is used in the UPC it is the most minimal form of the NDC code with 10 digits only. Because the NDC code has been linked with product barcodes in this way, the NDC code could contain ambiguities in this form. For example, 1234-5678-90, 12345-678-90, and 12345-6789-0 could all be entirely different products with the same barcode ...

  8. 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.

  9. Medical classification - Wikipedia

    en.wikipedia.org/wiki/Medical_classification

    Coding diagnoses and procedures is the assignment of codes from a code set that follows the rules of the underlying classification or other coding guidelines. The current version of the ICD, ICD-10, was endorsed by WHO in 1990. WHO Member states began using the ICD-10 classification system from 1994 for both morbidity and mortality reporting.