U.S. ICD-10-CM · FY 2027

H49 ICD-10-CM Code: Paralytic strabismus

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

Code definition

Official description

H49

Paralytic strabismus

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

Classification

Where H49 sits

  1. 1

    Chapter 7

    Diseases of the eye and adnexa (H00-H59)

  2. 2

    Section

    Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)

  3. 3

    Category H49

    Paralytic strabismus

  4. 4

    Code H49

    Paralytic strabismus

More specific choices

Codes under H49

H49 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for H49.

Code first

No “code first” instruction is listed for H49.

Use additional code

No “use additional code” instruction is listed for H49.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for H49.

Excludes2

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

  • internal ophthalmoplegia (H52.51-)
  • internuclear ophthalmoplegia (H51.2-)
  • progressive supranuclear ophthalmoplegia (G23.1)

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 H49 mean?

H49 is the FY 2027 U.S. ICD-10-CM code for “Paralytic strabismus.”

Is H49 a billable or specific ICD-10-CM code?

No. H49 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is H49 located in ICD-10-CM?

H49 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52) (H49–H52), under category H49, Paralytic strabismus.

What coding notes are listed for H49?

No inclusion terms are listed for H49 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: internal ophthalmoplegia (H52.51-); internuclear ophthalmoplegia (H51.2-); progressive supranuclear ophthalmoplegia (G23.1).

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