10ICD Code Hub

H18.6

Header — not billable

Keratoconus

The ICD-10 code for keratoconus is H18.6.

H18.6 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under H18.6

Related codes in this category