E89.2 Postprocedural hypoparathyroidism

Billable ICD-10-CM code, FY2026.

Applicable to

• Parathyroprival tetany

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)

• CMS-HCC V22: HCC 23 — Other Significant Endocrine and Metabolic Disorders
• RxHCC V08: HCC 43 — Pituitary, Adrenal Gland, and Other Endocrine and Metabolic Disorders
• ESRD V24: HCC 23

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 252.1 Hypoparathyroidism (approximate)

Code annotations containing back-references to E89.2

Back-references to E89.2

• Type 1 Excludes: E20 Hypoparathyroidism ("postprocedural hypoparathyroidism (E89.2)")
• Type 1 Excludes: R29.0 Tetany ("post-thyroidectomy tetany (E89.2)")

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 E89.2

• Absence (of) (organ or part) (complete or partial) › parathyroid gland (acquired)
• Complication (s) (from) (of) › endocrine › postprocedural › hypoparathyroidism
• Complication (s) (from) (of) › surgical procedure (on) › hypoparathyroidism (postparathyroidectomy)
• Hypoparathyroidism › postprocedural
• Tetany (due to) › parathyroprival
• Tetany (due to) › post- (para)thyroidectomy
• Tetany (due to) › postoperative

Nearby codes

• E89 Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified
• E89.0 Postprocedural hypothyroidism
• E89.1 Postprocedural hypoinsulinemia
• E89.2 Postprocedural hypoparathyroidism (this code)
• E89.3 Postprocedural hypopituitarism
• E89.4 Postprocedural ovarian failure
• E89.40 Asymptomatic postprocedural ovarian failure
• E89.41 Symptomatic postprocedural ovarian failure
• E89.5 Postprocedural testicular hypofunction