Match these oncology examples to the proper area. When your radiologist interprets pulmonary exams, it's up to you to link the correct diagnoses to the pulmonary CPT codes. Use the anatomic drawing below to locate the site that your physician addressed. Then check out the sampling of applicable ICD-9 oncology-related codes in the chart at the bottom of this page. Remember to always choose your code based on the documentation, and to check both the index and tabular list to find the most appropriate code.