E09.21

E09.21: Drug or chemical induced diabetes mellitus with diabetic nephropathy

Billable / specific codeICD-10-CM

E09.21 is a billable, specific ICD-10-CM code for drug or chemical induced diabetes mellitus with diabetic nephropathy. It is valid for submission on a claim.

Check E09.21 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Drug or chemical induced diabetes mellitus with intercapillary glomerulosclerosis
Drug or chemical induced diabetes mellitus with intracapillary glomerulonephrosis
Drug or chemical induced diabetes mellitus with Kimmelstiel-Wilson disease

Excludes1 inherited from the categories above E09.21

A category’s note binds every code beneath it.

Written on E09: Drug or chemical induced diabetes mellitus

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.-)

Other codes that can never be billed with E09.21

Their own Excludes1 notes name this code, so the conflict is not listed above.

E08Diabetes mellitus due to underlying condition
E10Type 1 diabetes mellitus
E11Type 2 diabetes mellitus
E13Other specified diabetes mellitus

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

E09.21 is named in 21 Medicare coverage policies: 21 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52464Glucose Monitor - Policy Article
A52501Therapeutic Shoes for Persons with Diabetes - Policy Article
A52507External Infusion Pumps - Policy Article
A52996Billing and Coding: Routine Foot Care

Alphabetic index entries that lead here

Diabetes, diabetic›due to drug or chemical›with›glomerulonephrosis, intracapillary
Diabetes, diabetic›due to drug or chemical›with›glomerulosclerosis, intercapillary
Diabetes, diabetic›due to drug or chemical›with›Kimmelstiel-Wilson disease
Diabetes, diabetic›due to drug or chemical›with›nephropathy

Code history

Unchanged in every release from FY2024 to FY2027.