Q12 ICD-10-CM Code: Congenital lens malformations

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

Q12

Congenital lens malformations

ICD-10-CM diagnosis code · United States clinical modification

Where Q12 sits

  1. 1

    Chapter 17

    Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)

  2. 2

    Section

    Congenital malformations of eye, ear, face and neck (Q10-Q18)

  3. 3

    Category Q12

    Congenital lens malformations

  4. 4

    Code Q12

    Congenital lens malformations

Codes under Q12

Q12 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for Q12.

Code first

No “code first” instruction is listed for Q12.

Use additional code

No “use additional code” instruction is listed for Q12.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for Q12.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Q12.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code Q12 mean?

Q12 is the FY 2027 U.S. ICD-10-CM code for “Congenital lens malformations.”

Is Q12 a billable or specific ICD-10-CM code?

No. Q12 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is Q12 located in ICD-10-CM?

Q12 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Congenital malformations of eye, ear, face and neck (Q10-Q18) (Q10–Q18), under category Q12, Congenital lens malformations.

What coding notes are listed for Q12?

No inclusion terms are listed for Q12 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.