E89.0
Postprocedural hypothyroidism
E89.0 (also written E890) is a billable ICD-10-CM diagnosis code for postprocedural hypothyroidism. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 17 codes in category E89 (Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified). The Alphabetic Index lists it under 9 entries. Its coding notes include 1 Excludes1 entry and 1 Excludes2 entry.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Intraoperative and postprocedural complications are coded from the body system chapters unless the complication is specifically indexed to a T code.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Inclusion terms
Conditions classified to this code.
- Postirradiation hypothyroidism
- Postsurgical hypothyroidism
Notes
Also from chapter/block level (1 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.
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 9 entries
- Absence (of) (organ or part) (complete or partial), thyroid (gland) (acquired)
- Complication (s) (from) (of), endocrine, postprocedural, hypothyroidism
- Complication (s) (from) (of), surgical procedure (on), hypothyroidism (post-thyroidectomy)
- Hypothyroidism (acquired), due to, irradiation therapy
- Hypothyroidism (acquired), due to, surgery
- Hypothyroidism (acquired), postirradiation
- Hypothyroidism (acquired), postprocedural
- Hypothyroidism (acquired), postsurgical
- Status (post), thyroidectomy (hypothyroidism)