H50.42 – Monofixation syndrome
ICD-10-CM 2027 diagnosis code · Disorders of ocular muscles, binocular movement, accommodation and refraction
- Code
H50.42(claims format:H5042)- Description
- Monofixation syndrome
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H49-H52 Disorders of ocular muscles, binocular movement, accommodation and refraction
- Parent codes
- H50 › H50.4
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block H49-H52
- nystagmus and other irregular eye movements (H55)
Index terms for H50.42
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in H50.4
Frequently asked questions
What is ICD-10 code H50.42?
H50.42 is the ICD-10-CM code for monofixation syndrome, in the block H49-H52 (Disorders of ocular muscles, binocular movement, accommodation and refraction).
Is H50.42 a billable code?
Yes. H50.42 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does H50.42 belong to?
It belongs to category H50 – Other strabismus.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.