Q12.9Billable

Congenital lens malformation, unspecified

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q12
Effective date
October 1, 2026

Related codes in category Q12

Q12Congenital lens malformationsQ12.0Congenital cataractYesQ12.1Congenital displaced lensYesQ12.2Coloboma of lensYesQ12.3Congenital aphakiaYesQ12.4SpherophakiaYesQ12.8Other congenital lens malformationsYes

Frequently asked questions

What is ICD-10 code Q12.9?

Q12.9 is an ICD-10-CM diagnosis code for Congenital lens malformation, unspecified.

Is Q12.9 a billable code?

Yes. Q12.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Q12.9 in?

Q12.9 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q12.9 become effective?

Q12.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q12.9?

Q12.9 belongs to category Q12, which includes 7 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.