You'll be able to apply the same PIN rules even when the codes change. If you're comfortable using the ICD-9 neoplasm table, you should be able to make an easy transition to searching for ICD-10 codes when that codeset replaces ICD-9 on Oct. 1, 2013. As an example, here's how your options for coding malignant prostate neoplasms compare. ICD-9: If you report prostatic intraepithelial neoplasia (PIN), you should use 233.4 for PIN III. But you should use 602.3 (Dysplasia of prostate) for PIN I or PIN II. ICD-10: Your ICD-10 options offer up familiar terms: If you report PIN III, you should use D07.5. For PIN I or PIN II, you should use N42.3 (Dysplasia of prostate) instead. Remember: