All ICD10 Codes
H49Non-billable

Paralytic strabismus

Diseases of the Eye and Adnexa·Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)·category·FY 2026

Use a more specific code (1 billable, 6 non-billable)
H49.0Third [oculomotor] nerve palsyhas subcodesH49.1Fourth [trochlear] nerve palsyhas subcodesH49.2Sixth [abducent] nerve palsyhas subcodesH49.3Total (external) ophthalmoplegiahas subcodesH49.4Progressive external ophthalmoplegiahas subcodesH49.8Other paralytic strabismushas subcodesH49.9Unspecified paralytic strabismus

CH7 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

H49-H52 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • nystagmus and other irregular eye movements (H55)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • internal ophthalmoplegia (H52.51-)
  • internuclear ophthalmoplegia (H51.2-)
  • progressive supranuclear ophthalmoplegia (G23.1)

Clinical Hierarchy

BillableHas subcodes
CH7Diseases of the eye and adnexa (H00-H59)
H49-H52Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)
H49Paralytic strabismusNot billable
H49.0Third [oculomotor] nerve palsySubcodes
H49.1Fourth [trochlear] nerve palsySubcodes
H49.2Sixth [abducent] nerve palsySubcodes
H49.3Total (external) ophthalmoplegiaSubcodes
H49.4Progressive external ophthalmoplegiaSubcodes
H49.8Other paralytic strabismusSubcodes
H49.9Unspecified paralytic strabismusBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.