10ICD Code Hub

H10.40

Header — not billable

Unspecified chronic conjunctivitis

The ICD-10 code for unspecified chronic conjunctivitis is H10.40.

H10.40 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Documentation support

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

Child codes under H10.40

Related codes in this category