ICD Code E11.00

ICD code E11.00 is type 2 diabetes mellitus with hyperosmolarity, but without nonketotic hyperglycemic-hyperosmolar coma (NKHHC).

1. Patient has a confirmed diagnosis of type 2 diabetes mellitus

2. Evidence of hyperosmolarity (elevated serum osmolality, typically >320 mOsm/kg)

3. Absence of significant ketosis

4. No documentation of nonketotic hyperglycemic-hyperosmolar coma (NKHHC)

5. Clinical presentation may include severe hyperglycemia, dehydration, altered mental status, but without coma

6. Laboratory findings support hyperosmolar state without significant acidosis

Relevant CPT codes that may be used to treat ICD code E11.00 include:

- 99202–99215 (Evaluation and Management services for new and established patients)

- 82947 (Glucose; quantitative, blood [except reagent strip])

- 82962 (Glucose, blood by glucose monitoring device(s) cleared by FDA specifically for home use)

- 83036 (Hemoglobin; glycosylated [A1C])

- 36415 (Collection of venous blood by venipuncture)

- 96372 (Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular)

- 96365 (Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour)

- 99217–99220 (Observation care discharge and admission)

- 99221–99223 (Initial hospital care)

- 99231–99233 (Subsequent hospital care)

CPT code selection should be based on the specific services rendered and clinical documentation.

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