ICD-10-CM 2027
ICD-10 code for eyeball congenital cystic
From the official ICD-10-CM alphabetic index entry “Cystic › eyeball (congenital)”. Page updated September 29, 2026.
About coding eyeball congenital cystic
The ICD-10-CM code for eyeball congenital cystic is Q11.0 (Cystic eyeball).
Within Q11 (anophthalmos, microphthalmos and macrophthalmos), Q11.0 is specifically for cystic eyeball. Related codes cover other anophthalmos (Q11.1), microphthalmos (Q11.2) and macrophthalmos (Q11.3).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 124 (Other Disorders of the Eye with MCC or Thrombolytic Agent, relative weight 1.2471) and DRG 125 (Other Disorders of the Eye without MCC, relative weight 0.7702), in MDC 02 (Diseases and Disorders of the Eye), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about eyeball congenital cystic ICD-10 codes
What is the ICD-10 code for eyeball congenital cystic?
- Q11.0 — Cystic eyeball.
Is Q11.0 billable?
- Yes. Q11.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Q11.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict Q11.0 as a principal diagnosis.
Is Q11.0 a CC or MCC?
- No. Q11.0 is neither a CC nor an MCC under MS-DRG v44.0.