H49-H52

Non-Billable
ChapterH00–H59
Rankblock
Official Description

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

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).

CH7 Parent Instructions

Excludes2(Not included here)
  • 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)

Instructional Notes

Excludes2(Not included here)
  • nystagmus and other irregular eye movements (H55)

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)
H49-H52Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)
H49Paralytic strabismus
H50Other strabismus
H51Other disorders of binocular movement
H52Disorders of refraction and accommodation

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H49-H52:

chapterCH7
Diseases of the eye and adnexa (H00-H59)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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