H49 Paralytic strabismus

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Paralytic strabismus is H49 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
H49-H52: Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)
Category H49
38 codes (29 billable)
FY2026 Status
Stable since FY2024
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • internal ophthalmoplegia (H52.51-)
  • internuclear ophthalmoplegia (H51.2-)
  • progressive supranuclear ophthalmoplegia (G23.1)

Official Coding Guidelines

Glaucoma (TOC entry)

a. Glaucoma .............................................................................................................................. 48

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.7.a
Assigning glaucoma codes (use as many H40 codes as needed)

Assign as many codes from category H40, Glaucoma, as needed to identify the type of glaucoma, the affected eye, and the glaucoma stage.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.7.a.1

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference H49 with the canonical source and edition:

H49 — Paralytic strabismus. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/H49

Canonical URL: https://icd10codingpro.com/codes/H49

Related Codes

More Specific Codes

H49.0 Third [oculomotor] nerve palsy H49.1 Fourth [trochlear] nerve palsy H49.2 Sixth [abducent] nerve palsy H49.3 Total (external) ophthalmoplegia H49.4 Progressive external ophthalmoplegia H49.8 Other paralytic strabismus H49.9 Unspecified paralytic strabismus

All Codes in H49

Every most-specific code under H49 Paralytic strabismus (29 codes):

Show the complete H49 code list
H49.00 Third [oculomotor] nerve palsy, unspecified eye H49.01 Third [oculomotor] nerve palsy, right eye H49.02 Third [oculomotor] nerve palsy, left eye H49.03 Third [oculomotor] nerve palsy, bilateral H49.10 Fourth [trochlear] nerve palsy, unspecified eye H49.11 Fourth [trochlear] nerve palsy, right eye H49.12 Fourth [trochlear] nerve palsy, left eye H49.13 Fourth [trochlear] nerve palsy, bilateral H49.20 Sixth [abducent] nerve palsy, unspecified eye H49.21 Sixth [abducent] nerve palsy, right eye H49.22 Sixth [abducent] nerve palsy, left eye H49.23 Sixth [abducent] nerve palsy, bilateral H49.30 Total (external) ophthalmoplegia, unspecified eye H49.31 Total (external) ophthalmoplegia, right eye H49.32 Total (external) ophthalmoplegia, left eye H49.33 Total (external) ophthalmoplegia, bilateral H49.40 Progressive external ophthalmoplegia, unspecified eye H49.41 Progressive external ophthalmoplegia, right eye H49.42 Progressive external ophthalmoplegia, left eye H49.43 Progressive external ophthalmoplegia, bilateral H49.811 Kearns-Sayre syndrome, right eye H49.812 Kearns-Sayre syndrome, left eye H49.813 Kearns-Sayre syndrome, bilateral H49.819 Kearns-Sayre syndrome, unspecified eye H49.881 Other paralytic strabismus, right eye H49.882 Other paralytic strabismus, left eye H49.883 Other paralytic strabismus, bilateral H49.889 Other paralytic strabismus, unspecified eye H49.9 Unspecified paralytic strabismus
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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