Q11.3
✓ BillableMacrophthalmos
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
❌ Excludes1
directThese codes are mutually exclusive. Never code them together.
- • macrophthalmos in congenital glaucoma (Q15.0)
Clinical Description
ICD-10-CM code Q11.3 represents macrophthalmos. This code falls under the Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that Q11.3 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code Q11.3?
ICD-10-CM code Q11.3 is "Macrophthalmos". It belongs to the category: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0).
Is Q11.3 a billable ICD-10 code?
Yes, Q11.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with Q11.3?
Q11.3 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in Q11
Other codes in the same category that may be relevant for differential coding:
🧪 Validate Combinations
Add Q11.3 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)