Medicare addendums for icd9cm volume 3, procedures. These conventions are incorporated within the index and tabular of the icd9cm as instructional notes. Updates and revisions to icd9cm procedure codes addendum. Icd icd9cm international classification of diseases.
Processing of noncovered international classification of. Icd9cm is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the united states. Icd9cm requires separate codes for the ptca, insertion of stents, number of stents, and how many vessels are treated. Guidance in the use of icd9cm to code accurately, it is necessary to have a working knowledge of medical terminology and to understand the characteristics, terminology, and conventions of the icd9cm. Icd10pcs has one comprehensive code that describes the number of sites treated not vessels with ptca and the type of stent used. The conventions for the icd9cm are the general rules for use of the classification independent of the guidelines. Adherence to these guidelines when assigning icd9cm diagnosis and procedure codes is required under the health insurance portability and accountability. Provider compliance tips for icd10cm, icd10pcs, cpt. Fy 2015 medicare addendum, icd9cm volume 3, procedures pdf. Effective for inpatient discharges on or after april 1, 2010, hospitals must submit icd9cm codes for noncovered procedures performed in the same inpatient stay with covered procedures on a separate claim. The icd9cm uses an indented format for ease in reference. There are no new icd9cm code updates effective october 1, 2014. Abbreviated and full code titles downloadable files of diagnosis and procedure codes and their full and abbreviated titles are available in the downloads and related links portion of this page. Policy and procedures of the whonicd microbiology external.