E89.1 Postprocedural hypoinsulinemia

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Postpancreatectomy hyperglycemia
• Postsurgical hypoinsulinemia

Excludes1 (never code together)

• transient postprocedural hyperglycemia (R73.9)
• transient postprocedural hypoglycemia (E16.2)

Code first

• , if applicable, diabetes mellitus (postpancreatectomy) (postprocedural) (E13.-)

Use additional code

• code, if applicable, to identify:
• acquired absence of pancreas (Z90.41-)
• insulin use (Z79.4)

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)

MS-DRG index

Defines the logic of DRG(s) 008 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 251.3 Postsurgical hypoinsulinemia

Code annotations containing back-references to E89.1

Back-references to E89.1

• Type 1 Excludes: R73 Elevated blood glucose level ("postsurgical hypoinsulinemia (E89.1)")

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 E89.1

• Complication (s) (from) (of) › endocrine › postprocedural › hypoinsulinemia
• Complication (s) (from) (of) › surgical procedure (on) › hyperglycemia (postpancreatectomy)
• Complication (s) (from) (of) › surgical procedure (on) › hypoinsulinemia (postpancreatectomy)
• Hyperglycemia, hyperglycemic (transient) › postpancreatectomy
• Hypoinsulinemia, postprocedural
• Postpancreatectomy hyperglycemia
• Postprocedural › hypoinsulinemia

Nearby codes

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