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ICD-10 Code E89.1: Postprocedural hypoinsulinemia

E89.1 is a billable ICD-10 diagnosis code used to classify Postprocedural hypoinsulinemia in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

When is it used?

  • May be used when a clinician documents postprocedural hypoinsulinemia in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E89Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89)
category
E89Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified
currentE89

Official coding notes

Inclusion terms
  • Postpancreatectomy hyperglycemia
  • Postsurgical hypoinsulinemia
Applicable to
  • code, if applicable, to identify:
  • acquired absence of pancreas (Z90.41-)
  • insulin use (Z79.4)
  • , if applicable, diabetes mellitus (postpancreatectomy) (postprocedural) (E13.-)
Excludes1 (do not 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)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

EndocrinologistGeneral Physician

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
E89.1

Common synonyms

Postprocedural hypoinsulinemia

Frequently asked questions

Code details

CodeE89.1
SystemICD10
Display namePostprocedural hypoinsulinemia
ChapterEndocrine, nutritional and metabolic diseases (E00-E89)
BlockPostprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89)

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Complication(s) (from) (of)Complication(s) (from) (of)Complication(s) (from) (of)Hyperglycemia, hyperglycemic(transient)Hypoinsulinemia, postproceduralPostpancreatectomy hyperglycemiaPostprocedural

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.