H18.223
✓ BillableIdiopathic corneal edema, bilateral
Diseases of the eye and adnexa (H00-H59)
Clinical Description
ICD-10-CM code H18.223 represents idiopathic corneal edema, bilateral. This code falls under the Diseases of the eye and adnexa (H00-H59) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code H18.223?
ICD-10-CM code H18.223 is "Idiopathic corneal edema, bilateral". It belongs to the category: Diseases of the eye and adnexa (H00-H59).
Is H18.223 a billable ICD-10 code?
Yes, H18.223 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Related Codes in H18.22
Other codes in the same category that may be relevant for differential coding:
🧪 Validate Combinations
Add H18.223 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)