H40.819 ICD-10-CM Code: Glaucoma with increased episcleral venous pressure, unspecified eye

H40.819 is the billable ICD-10-CM code for “Glaucoma with increased episcleral venous pressure, unspecified eye” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

H40.819

Glaucoma with increased episcleral venous pressure, unspecified eye

ICD-10-CM diagnosis code · United States clinical modification

More specific than H40.819

H40.819 is an unspecified code, for when the note doesn’t say more. If it documents the type, cause, or site, one of these codes may fit better.

Coding tips for H40.819

The same condition with the side named

This code leaves the side unspecified, which should be rare. When the note says which side, use that side’s code.

Where H40.819 sits

  1. 1

    Chapter 7

    Diseases of the eye and adnexa (H00-H59)

  2. 2

    Section

    Glaucoma (H40-H42)

  3. 3

    Category H40

    Glaucoma

  4. 4

    Subcategory H40.81

    Glaucoma with increased episcleral venous pressure

  5. 5

    Code H40.819

    Glaucoma with increased episcleral venous pressure, unspecified eye

Notes for this code

Inclusion terms

No inclusion terms are listed for H40.819.

Code first

No “code first” instruction is listed for H40.819.

Use additional code

No “use additional code” instruction is listed for H40.819.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for H40.819.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for H40.819.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code H40.819 mean?

H40.819 is the FY 2027 U.S. ICD-10-CM code for “Glaucoma with increased episcleral venous pressure, unspecified eye.”

Is H40.819 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, H40.819 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is H40.819 located in ICD-10-CM?

H40.819 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Glaucoma (H40-H42) (H40–H42), under category H40, Glaucoma and subcategory H40.81, Glaucoma with increased episcleral venous pressure.

What coding notes are listed for H40.819?

No inclusion terms are listed for H40.819 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.