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ICD-10-CM Current in FY 2027

H40.10X1

Unspecified open-angle glaucoma, mild stage

Release
FY 2027
Effective

Hierarchy

Where H40.10X1 sits in the official hierarchy. Each level is the code it is classified under.

  1. H40 Glaucoma
  2. H40.1 Open-angle glaucoma
  3. H40.10 Parent Unspecified open-angle glaucoma
  4. H40.10X1 This code Unspecified open-angle glaucoma, mild stage

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

absolute glaucoma ( H44.51- )

Inherited from H40 — Glaucoma

Excludes1

congenital glaucoma ( Q15.0 )

Inherited from H40 — Glaucoma

Excludes1

traumatic glaucoma due to birth injury ( P15.3 )

Inherited from H40 — Glaucoma

7th Character

One of the following 7th characters is to be assigned to code H40.10 to designate the stage of glaucoma

Inherited from H40.10 — Unspecified open-angle glaucoma

7th Character

0 - stage unspecified

Inherited from H40.10 — Unspecified open-angle glaucoma

7th Character

1 - mild stage

Inherited from H40.10 — Unspecified open-angle glaucoma

7th Character

2 - moderate stage

Inherited from H40.10 — Unspecified open-angle glaucoma

7th Character

3 - severe stage

Inherited from H40.10 — Unspecified open-angle glaucoma

7th Character

4 - indeterminate stage

Inherited from H40.10 — Unspecified open-angle glaucoma

Version History

How H40.10X1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Unspecified open-angle glaucoma, mild stage

  2. FY 2026 Effective

    Unchanged

    Unspecified open-angle glaucoma, mild stage

Other codes under H40.10

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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