AHA Coding Clinic® for ICD-9 - 1992 First Quarter; Q & A

Guidelines for Selection of Principal Diagnosis - PDX #13, Neoplasms

Note:As of October 1, 2007 code 284.8 has been expanded to five digits An example used to illustrate Coding Guideline PDX #13-H in theSecond Quarter 1990 Coding Clinic, page 10, regarding coding and sequencing of complications associated with malignant neoplasms was somewhat confusing to coders. The code 284.8, Other specified aplastic anemias, was used to indicate the type of anemia in each of the first two examples, with no indication in the diagnostic statement that the type of anemia was aplastic. Without such a statement, the reason for selection of this code is not apparent. Code 284...

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