E01Non-billableSave

E01 - Iodine-deficiency related thyroid disorders and allied conditions

ICD-10-CM Chapter 4: Endocrine, nutritional and metabolic diseases · E00-E07 Disorders of thyroid gland (E00-E07) · Top-level category · FY2027

Coding Guidance

E01 is a non-billable heading. Report one of the 4 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom E01

Mutually exclusive: these conditions are never reported together with this code.

  • congenital iodine-deficiency syndrome (E00.-)
  • subclinical iodine-deficiency hypothyroidism (E02)
Excludes 1 — Not Coded HereFrom Chapter E00-E89

Mutually exclusive: these conditions are never reported together with this code.

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
NotesFrom Chapter E00-E89

Instructional notes 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.