Q13 ICD-10-CM Code: Congenital malformations of anterior segment of eye
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
Q13Congenital malformations of anterior segment of eye
ICD-10-CM diagnosis code · United States clinical modification
Where Q13 sits
- 1
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- 2
Section
Congenital malformations of eye, ear, face and neck (Q10-Q18)
- 3
Category Q13
Congenital malformations of anterior segment of eye
- 4
Code Q13
Congenital malformations of anterior segment of eye
Codes under Q13
Q13 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Q13.0Coloboma of irisQ13.1Absence of irisQ13.2Other congenital malformations of irisQ13.3Congenital corneal opacityQ13.4Other congenital corneal malformationsQ13.5Blue scleraQ13.8Other congenital malformations of anterior segment of eyeQ13.9Congenital malformation of anterior segment of eye, unspecifiedNotes for this code
Inclusion terms
No inclusion terms are listed for Q13.
Code first
No “code first” instruction is listed for Q13.
Use additional code
No “use additional code” instruction is listed for Q13.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Q13.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Q13.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
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 Q13 mean?
Q13 is the FY 2027 U.S. ICD-10-CM code for “Congenital malformations of anterior segment of eye.”
Is Q13 a billable or specific ICD-10-CM code?
No. Q13 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 Q13 located in ICD-10-CM?
Q13 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 Q13, Congenital malformations of anterior segment of eye.
What coding notes are listed for Q13?
No inclusion terms are listed for Q13 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.