ICD-10 H18.599
Billable / SpecificOther hereditary corneal dystrophies, unspecified eye
About ICD-10-CM H18.599
ICD-10-CM code H18.599 represents Other hereditary corneal dystrophies, unspecified eye. This is a billable/specific code in the Eye and Adnexa chapter (block H18). The 2026 edition of ICD-10-CM H18.599 became effective on October 1, 2025.
Medicare LCD Coverage for H18.599
Local Coverage Determinations (LCDs) from CMS MACs that list H18.599 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H18.599.
5 Aetna
CPT Codes Commonly Billed with H18.599
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To H18.599
Other codes in section H15-H22 (Disorders of sclera, cornea, iris and ciliary body).
ICD-10 H18.599, Billing FAQ
Is ICD-10 code H18.599 billable? +
Yes, H18.599 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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