ICD-10 Code E89 – Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code E89 – Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified
What it is
E89 is a category code for endocrine or metabolic problems that arise after a procedure, such as surgery or other medical intervention. Use it when the complication is clearly linked to prior treatment and no more specific code is available.
Clinical signs
Clinical features vary; refer to documentation. Findings usually reflect the affected endocrine or metabolic function and the postprocedural timing, with the record showing a complication rather than a preexisting disorder.
When to use this code
Use E89 when the provider documents a postprocedural endocrine or metabolic complication and does not name a more specific diagnosis. It may apply after thyroid, parathyroid, pituitary, or other procedures when the complication is described broadly. Confirm that the condition is a complication of the procedure, not an expected postoperative state.
Do not use for
Do not use this code for routine postoperative follow-up or for endocrine disorders that existed before the procedure. Check documentation if the record does not clearly link the problem to the procedure.
Coding tip
Code the complication only when the provider explicitly documents causation; otherwise, query or use the more specific documented diagnosis.