06-29-2018, 09:26 AM | Community Wiki

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Code First K52.1

  1. Default Code First K52.1
    Clearnace Sale
    K52.1 (toxic gastroenteritis (drug induced gastroenteritis)) has a code first note stating, "code first T51-T65 to identify the toxic agent and a use additional code for adverse effect, if applicable". We are wondering if we can use this code for chemotherapy induced diarrhea. If yes, none of the T51-T65 codes apply. Can we just bill this using K52.1 and T45.1X5A? We just were not sure what to do with the code first instruction since none of those codes apply. If they don't apply, do we go to the K52.9 - noninfective gastroenteritis, unspecified? Any advice about the code first instruction would be appreciated.

  2. Default
    Per coding guidelines:

    Etiology/manifestation convention (“code first”, “use additional code” and “in diseases classified elsewhere” notes)
    Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first, if applicable, followed by the manifestation. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.

    Hope this helps!

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