Q00
Header — not billableAnencephaly 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.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Q00
Related codes in this category
- Q01Encephalocelenon-billable header
- Q02Microcephaly
- Q03Congenital hydrocephalusnon-billable header
- Q04Other congenital malformations of brainnon-billable header
- Q05Spina bifidanon-billable header
- Q06Other congenital malformations of spinal cordnon-billable header
- Q07Other congenital malformations of nervous systemnon-billable header
- Q00Anencephaly and similar malformationsnon-billable header