H40.812 ICD-10-CM Code: Glaucoma with increased episcleral venous pressure, left eye

H40.812 is the billable ICD-10-CM code for “Glaucoma with increased episcleral venous pressure, left eye” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

H40.812

Glaucoma with increased episcleral venous pressure, left eye

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

Coding tips for H40.812

Where H40.812 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 H40.812

    Glaucoma with increased episcleral venous pressure, left eye

Notes for this code

Inclusion terms

No inclusion terms are listed for H40.812.

Code first

No “code first” instruction is listed for H40.812.

Use additional code

No “use additional code” instruction is listed for H40.812.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for H40.812.

Excludes2

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

No Excludes2 note is listed for H40.812.

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 H40.812 mean?

H40.812 is the FY 2027 U.S. ICD-10-CM code for “Glaucoma with increased episcleral venous pressure, left eye.”

Is H40.812 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, H40.812 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 H40.812 located in ICD-10-CM?

H40.812 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 H40.812?

No inclusion terms are listed for H40.812 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.