Alphabetic Index FY2027

E89.89

Other postprocedural endocrine and metabolic complications and disorders

FY2027Chapter 4: Endocrine, nutritional and metabolic diseases/E89 Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - EndocrineHospital CC

E89.89 (also written E8989) is a billable ICD-10-CM diagnosis code for other postprocedural endocrine and metabolic complications and disorders. 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 12 entries. Its coding notes include a Use additional code instruction, 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.

Guidelines I.C.19.g.5Postprocedural complications in the body system chaptersRead the official text

Use additional code

Add the listed code as a secondary code, if known.

This code
  • code, if applicable, to further specify disorder

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Also from chapter/block level (1 note)
Inherited from Chapter 4 Endocrine, nutritional and metabolic diseases
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from E89 Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified
  • intraoperative complications of endocrine system organ or structure (E36.0-, E36.1-, E36.8)

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 - Endocrine clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Hospital CC

Counts as a complication or comorbidity (CC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 26 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.

Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix C

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 4 Endocrine, nutritional and metabolic diseases
  • 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. 12 entries