Oncology & Hematology Coding Alert

You Be the Coder:

Confirm Severity When Coding Dysplasia of the Prostate

Question: Our physician documented dysplasia of prostate for an elderly patient. How can we report this diagnosis? Is dysplasia considered as primary neoplasm of prostate?

Arizona Subscriber

Answer: When your physician documents dysplasia, ICD-10-CM directs you to neoplasia, intraepithelial, prostate. The appropriate ICD-10-CM codes depend on the documented severity.

What is dysplasia? Dysplasia is an erroneous development in cells at an early stage in cancer. There may be a proliferation of cells of abnormal morphology and function.

Carcinoma in situ implies that the abnormal cells remain confined to where they originated and do not spread to deeper or adjacent tissues. When the cancer cells are confined within the epithelium where they originated, it is called primary intraepithelial neoplasm (PIN). Depending upon the depth and extent of spread of the abnormal cells, PIN can be of grade I, II, and III.

PIN Codes: If your provider documents PIN III, you should use D07.5. If your provider documents PIN I, PIN II or does not specify severity, you should use N42.3 (Dysplasia of prostate).

Primary malignancy: For primary malignancy in the prostate, you submit code C61 (Malignant neoplasm of prostate).

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