ICD-9CM coding

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ICD-9CM coding

  • ICD-9CM (International Classification of Disease, 9th Edition, Clinical Modification) codes are used for the classification of disease and conditions and for describing signs, symptoms and medical circumstances.
  • These codes are used to indicate the medical necessity of a particular test.
  • ICD-9 codes can only be supplied by the ordering physician or a representative of that physician.

    • "Code steering" means to steer or direct a physician to supply an ICD-9 code that is payable.
    • ICD-9 codes cannot be used from a previous laboratory order.
  • If a physician supplies a narrative description instead of an ICD-9 code the laboratory must accurately translate that code using only certified coders.
  • It is against the law to use the wrong ICD-9 code for the purpose of causing or increasing payment for a test.