DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

E00-E89 · FY2027

Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)

Chapter 4 holds 73 categories in 10 blocks, with 973 billable codes in FY2027, 2 of them new this year.

Blocks
10
Categories
73
Billable codes
973
New FY2027
2
Instructions
2

Blocks and categories

Chapter instructions

Notes

  • 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. E05.8 E07.0 E16 E31 E34

Excludes1

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