E89.0 Postprocedural hypothyroidism

Billable ICD-10-CM code, FY2026.

Applicable to

• Postirradiation hypothyroidism
• Postsurgical hypothyroidism

Applies from E89 Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified

Excludes2 (not included here)

• intraoperative complications of endocrine system organ or structure (E36.0-, E36.1-, E36.8)

Risk adjustment (HCC)

• RxHCC V08: HCC 44 — Thyroid Disorders

MS-DRG index

Defines the logic of DRG(s) 643-645 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 244.0 Postsurgical hypothyroidism (approximate)
• 244.1 Other postablative hypothyroidism (approximate)

Code annotations containing back-references to E89.0

Back-references to E89.0

• Type 1 Excludes: E03 Other hypothyroidism ("postprocedural hypothyroidism (E89.0)")

Back-references to E89

• Type 2 Excludes: E36 Intraoperative complications of endocrine system ("postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89.-)")
• Type 2 Excludes: T81 Complications of procedures, not elsewhere classified ("intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)")
• Type 2 Excludes: Z90 Acquired absence of organs, not elsewhere classified ("postprocedural absence of endocrine glands (E89.-)")

Diagnosis Index entries for E89.0

• 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)

Nearby codes

• E89 Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified
• E89.0 Postprocedural hypothyroidism (this code)
• E89.1 Postprocedural hypoinsulinemia
• E89.2 Postprocedural hypoparathyroidism
• E89.3 Postprocedural hypopituitarism
• E89.4 Postprocedural ovarian failure
• E89.40 Asymptomatic postprocedural ovarian failure