ICD-10-CM code · FY2027
E13.33 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy
Header codeNot billable: use one of the 8 billable codes below
About E13.33
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Coding notes for E13.33
7th character
- One of the following 7th characters is to be assigned to codes in subcategory E13.33 to designate laterality of the disease:
7th character Required: add one of these as the 7th character, with X as a placeholder to fill six characters.
| Character | Meaning |
|---|---|
| 1 | right eye |
| 2 | left eye |
| 3 | bilateral |
| 9 | unspecified eye |
Also applies, from E13 Other specified diabetes mellitus
Includes Conditions this code covers.
- diabetes mellitus due to genetic defects of beta-cell function
- diabetes mellitus due to genetic defects in insulin action
- postpancreatectomy diabetes mellitus
- postprocedural diabetes mellitus
- secondary diabetes mellitus NEC
Excludes1 Not coded here: never report these together with this code (use the code given instead).
- diabetes (mellitus) due to autoimmune process (E10.-)
- diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
- diabetes mellitus due to underlying condition (E08.-)
- drug or chemical induced diabetes mellitus (E09.-)
- gestational diabetes (O24.4-)
- neonatal diabetes mellitus (P70.2)
- type 1 diabetes mellitus (E10.-)
Use additional code Add a second code for the detail named here.
Chapter 4 notes (apply to every code in it)
Note
- All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Codes under E13.33 10
- E13.331 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edemaHeader
- E13.3311 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, right eyeBillable
- E13.3312 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, left eyeBillable
- E13.3313 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateralBillable
- E13.3319 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, unspecified eyeBillable
- E13.339 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edemaHeader
- E13.3391 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eyeBillable
- E13.3392 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, left eyeBillable
- E13.3393 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, bilateralBillable
- E13.3399 Other specified diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, unspecified eyeBillable
Related codes in E13.3
- E13.31 Other specified diabetes mellitus with unspecified diabetic retinopathyHeader
- E13.32 Other specified diabetes mellitus with mild nonproliferative diabetic retinopathyHeader
- E13.34 Other specified diabetes mellitus with severe nonproliferative diabetic retinopathyHeader
- E13.35 Other specified diabetes mellitus with proliferative diabetic retinopathyHeader
- E13.36 Other specified diabetes mellitus with diabetic cataractBillable
- E13.37 Other specified diabetes mellitus with diabetic macular edema, resolved following treatmentHeader
- E13.39 Other specified diabetes mellitus with other diabetic ophthalmic complicationBillable
Latest research on diabetes
- Cataract surgery is associated with increased incidence of diabetic retinopathy among patients with diabetes
- Telehealth yields modest improvements in diabetes outcomes
- Tirzepatide improves blood sugar control in metformin-refractory type 2 diabetes
- Smoking and prior acute pancreatitis attacks are risk factors for poor glycemic control in patients with post-chronic pancreatitis diabetes
- Weekly basal insulin efsitora effective for managing type 2 diabetes
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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