Anophthalmos, microphthalmos and macrophthalmos (Q11) ICD-10-CM
The Q11 code range covers anophthalmos, microphthalmos and macrophthalmos with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the Q11 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the Q11 range.
Anophthalmos
Congenital absence of the eye or eyes.
Microphthalmos
Congenital or developmental anomaly in which the eyeballs are abnormally small.
About the Q11 Code Range
These conditions involve an absent, unusually small, or unusually large eye, or a cystic eyeball, from birth.
The subdivisions separate Q11.0 for cystic eyeball, Q11.1 for other anophthalmos (absence of an eye), Q11.2 for microphthalmos (an unusually small eye), and Q11.3 for macrophthalmos (an unusually large eye).
Questions About This Page
How many billable codes are in the Q11 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the Q11 range classify?
The range classifies anophthalmos, microphthalmos and macrophthalmos. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
