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ICD-10-CM chapter 4 · E00-E89

Endocrine, nutritional and metabolic diseases

About chapter 4

Chapter 4 (E00-E89) contains 73 categories and 973 billable codes for FY2027. This year's update added 3 and deleted 0 codes here. 38 codes are MCCs and 229 are CCs when reported as secondary diagnoses.

10 code blocks

Chapter notes

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.
Excludes1
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)