Issue 52: December 16, 2016 2017 Coding Changes: Provocative Tests for Glaucoma CPT code 92140 has been deleted as glaucoma specialists agree the provocative test is no longer useful. If you need to continue reporting it, use an unlisted procedure code. Previous article2017 Coding Changes: Retinal Detachment Next article2017 Coding Changes: Ophthalmoscopic Angiography Comments are closed.