H47.42 – Disorders of optic chiasm in (due to) neoplasm
ICD-10-CM 2027 diagnosis code · Disorders of optic nerve and visual pathways
- Code
H47.42(claims format:H4742)- Description
- Disorders of optic chiasm in (due to) neoplasm
- 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
- H46-H47 Disorders of optic nerve and visual pathways
- Parent codes
- H47 › H47.4
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H47.4 – Disorders of optic chiasm
- underlying condition
Index terms for H47.42
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in H47.4
Frequently asked questions
What is ICD-10 code H47.42?
H47.42 is the ICD-10-CM code for disorders of optic chiasm in (due to) neoplasm, in the block H46-H47 (Disorders of optic nerve and visual pathways).
Is H47.42 a billable code?
Yes. H47.42 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does H47.42 belong to?
It belongs to category H47 – Other disorders of optic [2nd] nerve and visual pathways.
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.