Chapter 4: Endocrine, nutritional and metabolic diseases
E00-E89
Chapter 4 of the ICD-10-CM tabular list covers endocrine, nutritional and metabolic diseases, codes E00-E89. It holds 1,267 codes across 10 blocks, of which 971 are billable and 296 are header codes that cannot go on a claim. 345 (27%) require a 7th character.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Notes
Additional guidance from the ICD-10-CM tabular list.
- 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.
Risk adjustment in Chapter 4
410 of this chapter’s codes map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded to the level the record supports.
- HCC 37 Diabetes with Chronic Complications
- HCC 298 Severe Diabetic Eye Disease, Retinal Vein Occlusion, and Vitreous Hemorrhage
- HCC 50 Amyloidosis, Porphyria, and Other Specified Metabolic Disorders
- HCC 36 Diabetes with Severe Acute Complications
- HCC 38 Diabetes with No, Glycemic, or Unspecified Complications
- HCC 49 Specified Lysosomal Storage Disorders
Blocks in this chapter
- E00-E07Disorders of thyroid gland63 codes
- E08-E13Diabetes mellitus582 codes
- E15-E16Other disorders of glucose regulation and pancreatic internal secretion13 codes
- E20-E35Disorders of other endocrine glands125 codes
- E36Intraoperative complications of endocrine system8 codes
- E40-E46Malnutrition9 codes
- E50-E64Other nutritional deficiencies59 codes
- E65-E68Overweight, obesity and other hyperalimentation22 codes
- E70-E88Metabolic disorders366 codes
- E89Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified20 codes