H40.039 ICD-10-CM Code: Anatomical narrow angle, unspecified eye

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

H40.039

Anatomical narrow angle, unspecified eye

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

Where H40.039 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 H40.03

    Anatomical narrow angle

  5. 5

    Code H40.039

    Anatomical narrow angle, unspecified eye

Notes for this code

Inclusion terms

No inclusion terms are listed for H40.039.

Code first

No “code first” instruction is listed for H40.039.

Use additional code

No “use additional code” instruction is listed for H40.039.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for H40.039.

Excludes2

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

No Excludes2 note is listed for H40.039.

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 H40.039 mean?

H40.039 is the FY 2027 U.S. ICD-10-CM code for “Anatomical narrow angle, unspecified eye.”

Is H40.039 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, H40.039 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 H40.039 located in ICD-10-CM?

H40.039 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 H40.03, Anatomical narrow angle.

What coding notes are listed for H40.039?

No inclusion terms are listed for H40.039 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.