Q03.0Billable

Malformations of aqueduct of Sylvius

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q03
Effective date
October 1, 2026

Related codes in category Q03

Q03Congenital hydrocephalusQ03.1Atresia of foramina of Magendie and LuschkaYesQ03.8Other congenital hydrocephalusYesQ03.9Congenital hydrocephalus, unspecifiedYes

Frequently asked questions

What is ICD-10 code Q03.0?

Q03.0 is an ICD-10-CM diagnosis code for Malformations of aqueduct of Sylvius.

Is Q03.0 a billable code?

Yes. Q03.0 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Q03.0 in?

Q03.0 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q03.0 become effective?

Q03.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q03.0?

Q03.0 belongs to category Q03, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.