Wiki Dx code help; adenocarcinoma of unknown primary

[Tonyj]

How would you code adenocarcinoma of unknown primary?? Followed several weeks later with a note stating adenocarcinoma/inflammatory carcinoma of skin. Followed several weeks later with adenocarcinoma of unknown primary with significant skin involvement.

 

[seegaye]

For Adenocarcinoma, unkown primary, I come up with 199.1, Neoplasm, unknown site or unspecified. Hope that it helps

Lisa H.