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E10.321Non-billableSave

E10.321 - Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema

ICD-10-CM Chapter 4: Endocrine, nutritional and metabolic diseases · E08-E13 Diabetes mellitus (E08-E13) · Subcategory of E10.32 · FY2027

Coding Guidance

E10.321 requires a 7th character. Report the code below that matches the documentation, for example 1 for right eye, 2 for left eye, 3 for bilateral.

7th Character

One of the following 7th characters is to be assigned to codes in subcategory E10.32 to designate laterality of the disease:

Includes, Excludes and Coding Notes

IncludesFrom E10

Conditions this code covers.

  • brittle diabetes (mellitus)
  • diabetes (mellitus) due to autoimmune process
  • diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction
  • idiopathic diabetes (mellitus)
  • juvenile onset diabetes (mellitus)
  • ketosis-prone diabetes (mellitus)
Excludes 1 — Not Coded HereFrom E10

Mutually exclusive: these conditions are never reported together with this code.

  • diabetes mellitus due to underlying condition (E08.-)
  • drug or chemical induced diabetes mellitus (E09.-)
  • gestational diabetes (O24.4-)
  • hyperglycemia NOS (R73.9)
  • neonatal diabetes mellitus (P70.2)
  • postpancreatectomy diabetes mellitus (E13.-)
  • postprocedural diabetes mellitus (E13.-)
  • secondary diabetes mellitus NEC (E13.-)
  • type 2 diabetes mellitus (E11.-)
Excludes 1 — Not Coded HereFrom Chapter E00-E89

Mutually exclusive: these conditions are never reported together with this code.

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
NotesFrom Chapter E00-E89

Instructional notes from the ICD-10-CM tabular list.

  • 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.

More Specific Codes (4)

E10.3211Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, right eye→E10.3212Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye→E10.3213Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, bilateral→E10.3219Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, unspecified eye→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with E10.321.