ICD-10/E09.31

E09.31 ICD 2026 Code: Drug or chemical induced diabetes mellitus with unspecified diabetic retinopathy

E09.31 is the authoritative medical code for Drug or chemical induced diabetes mellitus with unspecified diabetic retinopathy. This classification is used in medical billing and clinical recording to specify the clinical criteria for drug or chemical induced diabetes mellitus with unspecified diabetic retinopathy (ICD-10-CM E09.31), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Drug or chemical induced diabetes mellitus with unspecified diabetic retinopathy is a non-billable ICD-10-CM category code E09.31. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): diabetes mellitus due to underlying condition E08.-; gestational diabetes O24.4-; neonatal diabetes mellitus P70.2; postpancreatectomy diabetes mellitus E13.-; postprocedural diabetes mellitus E13.-; secondary diabetes mellitus NEC E13.-; type 1 diabetes mellitus E10.-; type 2 diabetes mellitus E11.-. Code first: poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4). Use additional code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5); code to identify control using:; injectable non-insulin antidiabetic drugs Z79.85; insulin Z79.4; oral antidiabetic drugs Z79.84; oral hypoglycemic drugs Z79.84.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for E09.31 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • diabetes mellitus due to underlying condition E08.-
  • gestational diabetes O24.4-
  • neonatal diabetes mellitus P70.2
  • postpancreatectomy diabetes mellitus E13.-
  • postprocedural diabetes mellitus E13.-
  • secondary diabetes mellitus NEC E13.-
  • type 1 diabetes mellitus E10.-
  • type 2 diabetes mellitus E11.-

Code First

Underlying conditions that must be sequenced before this code.

  • poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • code to identify control using:
  • injectable non-insulin antidiabetic drugs Z79.85
  • insulin Z79.4
  • oral antidiabetic drugs Z79.84
  • oral hypoglycemic drugs Z79.84

Frequently Asked Questions (FAQ) & Clinical Guidance

Can E09.31 be billed directly?

No. E09.31 (Drug or chemical induced diabetes mellitus with unspecified diabetic retinopathy) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with E09.31?

Per Excludes1 instructions, E09.31 must not be reported with: diabetes mellitus due to underlying condition (E08.-); gestational diabetes (O24.4-); neonatal diabetes mellitus (P70.2); postpancreatectomy diabetes mellitus (E13.-).

Does E09.31 need to be sequenced after another code?

Yes. Code first: poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4).

Is an additional code needed with E09.31?

Use additional code(s) to specify: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5); code to identify control using:; injectable non-insulin antidiabetic drugs (Z79.85); insulin (Z79.4).

Codes in This Family (2)

Official ICD-10-CM classifications in the same code family as E09.31, with their registry titles.

  • E09.311 — Drug or chemical induced diabetes mellitus with unspecified diabetic retinopathy with macular edema
  • E09.319 — Drug or chemical induced diabetes mellitus with unspecified diabetic retinopathy without macular edema

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code E05.31 Thyrotoxicosis from ectopic thyroid tissue with thyrotoxic crisis or storm
ICD Code E08.31 Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy
ICD Code E10.31 Type 1 diabetes mellitus with unspecified diabetic retinopathy
ICD Code E11.31 Type 2 diabetes mellitus with unspecified diabetic retinopathy
ICD Code E13.31 Other specified diabetes mellitus with unspecified diabetic retinopathy
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