Wiki Need Help w/ Dx Rectal GIST

[madsmacpc]

I am completely stumped and was wondering if anyone could give me guidance. I am trying to get a dx code for an unusual malignancy - Rectal GIST.

Any help would be greatly appreciated !!

 

[mhaleyw2brats]

I believe the correct dx code would be 171.5 if malignant or if uncertain behavior 238.1