Patient had an ahmed valve implantatiom and scleral patch graft for scleral enforcement. I have the cpt codes for this 66180 and 67255. But I'M stuck on dx codes
1- chronic angle closure glauocoma 36523 ?
2-status post corneal transplant surgery surgery oin the past ? v code ?
3-penetrating keratoplasty ?
4-peripheral synechial attachments at 360 degress
5-pseudophakia ? V43.1 ?
6-P proliferative diabetic retinopathy status post sugery ? v codes ?

Im not sure when they explain status post ? PLEASE HELP , thanks trent .do i lok up status, then what ?