E10.22

Billable

Type 1 diabetes mellitus with diabetic chronic kidney disease

HCC Category Mapping

V28HCC 37 — Diabetes with Chronic Complications

0.245

V24HCC 18 — Diabetes with Chronic Complications

0.302

ESRDHCC 18 — Diabetes with Chronic Complications

0.000

RxHCCHCC 30 — Diabetes with Complications

0.000

What This Code Means

Type 1 diabetes with chronic kidney disease, representing advanced kidney damage from diabetes with reduced kidney function.

Coding Tips

•Use this code when chronic kidney disease stage is documented; do not use E10.21 simultaneously
•May require an additional CKD stage code (N18.1-N18.6) if the specific stage is documented

Clinical Significance

Type 1 diabetes mellitus with diabetic chronic kidney disease indicates progressive, staged kidney damage where the CKD stage has been formally assessed. This is more specific than nephropathy alone and implies the patient has documented reduction in glomerular filtration rate or structural kidney damage. Type 1 diabetic patients with CKD face accelerated cardiovascular risk, anemia, bone mineral disorders, and potential progression to dialysis or transplant, requiring comprehensive multidisciplinary management.

Documentation Requirements

✓Documentation must confirm Type 1 diabetes and chronic kidney disease with a specified stage (1-5).
✓Estimated GFR or creatinine clearance values supporting the CKD stage must be present.
✓An additional N18 code specifying the CKD stage is required.
✓The causal relationship between Type 1 diabetes and CKD must be documented.
✓Proteinuria levels and medication adjustments for renal function should be noted.

Use Additional Code

code to identify stage of chronic kidney disease (N18.1-N18.6)

Commonly Confused Codes

E10.21 (nephropathy) is used when CKD staging is not documented.E10.29 (other kidney complication) is for atypical renal manifestations.N18.1-N18.6 must be coded additionally for stage specification.E11.22 (Type 2 with CKD) is incorrect for Type 1 patients.Z99.2 (dependence on renal dialysis) should be added if applicable.

Code Hierarchy

└E10Type 1 diabetes mellitus └E10.2Type 1 diabetes mellitus with kidney complications └E10.22Type 1 diabetes mellitus with diabetic chronic kidney disease

└E10.22Type 1 diabetes mellitus with diabetic chronic kidney disease