E10.311

HCC Category Mapping

What This Code Means

Type 1 diabetes with eye damage affecting the retina, including swelling in the macula (central vision area) that impacts sight.

Coding Tips

• •Macular edema is a serious complication requiring documentation of its presence
• •This code indicates unspecified retinopathy severity but with confirmed macular involvement

Clinical Significance

Type 1 diabetes mellitus with unspecified diabetic retinopathy with macular edema represents retinal damage from Type 1 diabetes where the severity stage has not been documented but fluid accumulation in the macula threatens central vision. Macular edema is the most common cause of vision loss in diabetic patients and requires timely treatment with anti-VEGF injections, laser photocoagulation, or intravitreal corticosteroids to preserve sight.

Documentation Requirements

• ✓Documentation must confirm Type 1 diabetes and the presence of both retinopathy and macular edema.
• ✓Optical coherence tomography or fluorescein angiography results should be referenced.
• ✓The provider should be queried to specify the retinopathy stage (mild/moderate/severe nonproliferative or proliferative).
• ✓Laterality and visual acuity should be documented.

Commonly Confused Codes