ICD-10-CM > H00-H59 > H59-H59 > H59 > H59.4 H59.4 Inflammation (infection) of postprocedural bleb Non-Billable/Non-Specific Applicable To Postprocedural blebitis Type 1 Excludes filtering (vitreous) bleb after glaucoma surgery status (Z98.83) Codes H59.40Inflammation (infection) of postprocedural bleb, unspecifiedH59.41Inflammation (infection) of postprocedural bleb, stage 1H59.42Inflammation (infection) of postprocedural bleb, stage 2H59.43Inflammation (infection) of postprocedural bleb, stage 3