E89.1

ICD-10Billable

Postprocedural hypoinsulinemia

Official ICD-10-CM descriptor (FY2026)

Postprocedural hypoinsulinemia

E89.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Postpancreatectomy hyperglycemia
  • Postsurgical hypoinsulinemia

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

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

Code first

Sequence the underlying condition before this code.

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

Use additional code

Report an additional code to identify the associated condition.

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

Related codes in E89

Where this code sits

Parent code
E89

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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