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H59.4

H59.4: Inflammation (infection) of postprocedural bleb

Non-billable headerICD-10-CM

H59.4 is a non-billable header ICD-10-CM code for inflammation (infection) of postprocedural bleb. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • filtering (vitreous) bleb after glaucoma surgery status (Z98.83)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Postprocedural blebitis

Excludes1 inherited from the categories above H59.4

A category’s note binds every code beneath it.

Written on H59: Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified

  • mechanical complication of intraocular lens (T85.2)
  • mechanical complication of other ocular prosthetic devices, implants and grafts (T85.3)
  • pseudophakia (Z96.1)
  • secondary cataracts (H26.4-)

Other codes that can never be billed with H59.4

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • H44.0Purulent endophthalmitis
  • H44.1Other endophthalmitis
  • Z98.83Filtering (vitreous) bleb after glaucoma surgery status

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead H59.4

4 child codes. Green means billable.

Other codes under H59

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.