Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

MS-DRG 008 — SIMULTANEOUS PANCREAS AND KIDNEY TRANSPLANT (MDC PRE)
MS-DRG 010 — PANCREAS TRANSPLANT (MDC PRE)
MS-DRG 019 — SIMULTANEOUS PANCREAS AND KIDNEY TRANSPLANT WITH HEMODIALYSIS (MDC PRE)
MS-DRG 637 — DIABETES WITH MCC (MDC 10)
MS-DRG 638 — DIABETES WITH CC (MDC 10)
MS-DRG 639 — DIABETES WITHOUT CC/MCC (MDC 10)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Risk Adjustment (CMS-HCC)

Payment categories this diagnosis maps to under CMS-HCC V28, payment year 2026.

HCC 36 — Diabetes with Severe Acute Complications (supersedes HCC 37, HCC 38)

Other models: CMS-HCC V22 HCC 17 · RxHCC V08 HCC 30

Risk scores depend on the enrollee's full accepted diagnosis set and segment; a category mapping alone does not determine payment.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Type 1 diabetes mellitus with ketoacidosis without coma is a billable ICD-10-CM diagnosis code (E10.10).

Sequencing, inclusion, and exclusion notes published for E10.10 in the official ICD-10-CM tabular list.

Conditions the official ICD-10-CM tabular list includes under this code.

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)

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

Official ICD-10-CM classifications closest to E10.10 in its code family, with their registry titles.

E10 — Type 1 diabetes mellitus
E10.1 — Type 1 diabetes mellitus with ketoacidosis
E10.11 — Type 1 diabetes mellitus with ketoacidosis with coma
E10.2 — Type 1 diabetes mellitus with kidney complications
E10.21 — Type 1 diabetes mellitus with diabetic nephropathy
E10.22 — Type 1 diabetes mellitus with diabetic chronic kidney disease
E10.29 — Type 1 diabetes mellitus with other diabetic kidney complication
E10.3 — Type 1 diabetes mellitus with ophthalmic complications
E10.31 — Type 1 diabetes mellitus with unspecified diabetic retinopathy
E10.311 — Type 1 diabetes mellitus with unspecified diabetic retinopathy with macular edema

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.