10ICD Code Hub

Q00

Header — not billable

Anencephaly and similar malformations

The ICD-10 code for anencephaly and similar malformations is Q00.

Q00 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 Q00

Related codes in this category