Instructor’s Guide for ICD-9-CM Diagnostic Coding and ...

E&M services associated with or related to the performance of dialysis, performed on the same day as the dialysis, are included in the dialysis procedure; therefore, no separate E&M code is reported. If there is a separately identifiable E&M, unrelated to the dialysis, that E&M shall be coded based on documentation and appended with modifier 25. ................
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