ICD-10–CM: The diagnosis classification systems developed by the Centers for Disease control & prevention for use in US healthcare treatment settings. Diagnosis coding under this system uses three to seven alpha and numeric digits and full code titles, but the format is very much the same as ICD-9 CM

ICD-10-PCS: The procedure classification system developed by the Centers for Medicare and Medicaid system (CMS) for use in the US for inpatient hospital settings only. The new procedure coding system uses seven alpha or numeric digits compared to three or four numeric digits that the previous edition used.