E09.21

Drug or chemical induced diabetes mellitus with diabetic nephropathy

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC ESRD V24

HCC18

Diabetes with Chronic Complications

RxHCC V08

RXHCC30

Diabetes with Complications

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · E09.21
Synonyms

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

Inherited from E09Drug or chemical induced diabetes mellitus
Excludes 1

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.-)

Use additional

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)

Code first

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

Inherited from chapter 4Endocrine, nutritional and metabolic diseases
Excludes 1

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

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.

Official Guidelines for E09.21

FY 2026 ›