Is H59.4 a billable ICD-10-CM code?

No. H59.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does H59.4 sit in the tabular list?

Diseases of the eye and adnexa (H00-H59), in the block Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified (H59).

What cannot be coded together with H59.4?

H59.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

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

Other codes that can never be billed with H59.4

These codes carry an Excludes1 note pointing at H59.4. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading H59.4 alone.

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

Risk adjustment

H59.4 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead H59.4

4 child codes. Green means billable.

Related codes at this level

Codes that share H59. If H59.4 is not quite right, the correct code is usually one of these.

Questions about H59.4

Is H59.4 a billable ICD-10-CM code?: No. H59.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does H59.4 sit in the tabular list?: Diseases of the eye and adnexa (H00-H59), in the block Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified (H59).
What cannot be coded together with H59.4?: H59.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.