Type 1 diab with prolif diab rtnop with comb detach, l eye

This code describes a severe ocular complication of Type 1 diabetes, characterized by the growth of abnormal new blood vessels on the retina (proliferative diabetic retinopathy) leading to both tractional detachment (pulling on the retina by fibrous tissue) and rhegmatogenous detachment (retinal tear allowing fluid to pass underneath) in the left eye. This combined detachment type signifies a complex and advanced stage of diabetic eye disease.

Use this code when documentation clearly indicates a patient with Type 1 diabetes has been diagnosed with proliferative diabetic retinopathy and a combined tractional and rhegmatogenous retinal detachment specifically in the left eye. This diagnosis is typically made by an ophthalmologist following a dilated fundus examination, optical coherence tomography (OCT), or fluorescein angiography.

• Ensure the documentation specifies "Type 1 diabetes" and not "Type 2" or "unspecified" diabetes.
• Verify that both "traction retinal detachment" and "rhegmatogenous retinal detachment" are explicitly stated as present and combined.
• Confirm the laterality is documented as "left eye" to avoid miscoding for the right eye or bilateral involvement.