Anatomical location is your guiding factor. Once ICD-10 is adopted, you'll need to ensure that your surgeon records the lesion site in the clinical notes when making a diagnosis of juvenile osteochondrosis of the spine. Your code choices jump from a single code 732.0 (Juvenile osteochondrosis of spine) in ICD-9 to 10 codes to choose from in ICD-10, so having lesion specifics will make or break your diagnosis coding. Anatomical location is your key guiding factor. Refer to the table below to see how you will choose a code depending upon where the lesion is located.