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U.S. ICD-10-CM · FY 2027

H28 ICD-10-CM Code: Cataract in diseases classified elsewhere

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

Code definition

Official description

H28

Cataract in diseases classified elsewhere

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

Classification

Where H28 sits

  1. 1

    Chapter 7

    Diseases of the eye and adnexa (H00-H59)

  2. 2

    Section

    Disorders of lens (H25-H28)

  3. 3

    Category H28

    Cataract in diseases classified elsewhere

  4. 4

    Code H28

    Cataract in diseases classified elsewhere

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for H28.

Code first

  • underlying disease, such as:
  • hypoparathyroidism (E20.-)
  • myotonia (G71.1-)
  • myxedema (E03.-)
  • protein-calorie malnutrition (E40-E46)

Use additional code

No “use additional code” instruction is listed for H28.

Excludes1

Conditions that should not be reported together with this code.

  • cataract in diabetes mellitus (E08.36, E09.36, E10.36, E11.36, E13.36)

Excludes2

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

No Excludes2 note is listed for H28.

Transparency

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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code H28 mean?

H28 is the FY 2027 U.S. ICD-10-CM code for “Cataract in diseases classified elsewhere.”

Is H28 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, H28 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 H28 located in ICD-10-CM?

H28 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Disorders of lens (H25-H28) (H25–H28), under category H28, Cataract in diseases classified elsewhere.

What coding notes are listed for H28?

No inclusion terms are listed for H28 in this reference record. Code-first instructions: underlying disease, such as:; hypoparathyroidism (E20.-); myotonia (G71.1-); myxedema (E03.-); protein-calorie malnutrition (E40-E46). Excludes1 notes: cataract in diabetes mellitus (E08.36, E09.36, E10.36, E11.36, E13.36). No Excludes2 note is listed.

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