TMHP Update: Giant Papillary Conjunctivitis (GPC) Coding

You must code as specifically as possible.  GPC is a chronic allergic form of conjunctivitis, sometimes caused by allergens attached to the contact lens.  Because none of the other codes in the 372.1x series (Chronic conjunctivitis) describe GPC specifically, you must use the “other” code, 372.14.