U.S. ICD-10-CM · FY 2027

E89.1 ICD-10-CM Code: Postprocedural hypoinsulinemia

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

E89.1

Postprocedural hypoinsulinemia

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where E89.1 sits

  1. 1

    Chapter 4

    Endocrine, nutritional and metabolic diseases (E00-E89)

  2. 2

    Section

    Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89)

  3. 3

    Category E89

    Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified

  4. 4

    Code E89.1

    Postprocedural hypoinsulinemia

Documentation details

Notes for this code

Inclusion terms

  • Postpancreatectomy hyperglycemia
  • Postsurgical hypoinsulinemia

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)

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for E89.1.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code E89.1 mean?

E89.1 is the FY 2027 U.S. ICD-10-CM code for “Postprocedural hypoinsulinemia.”

Is E89.1 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, E89.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is E89.1 located in ICD-10-CM?

E89.1 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89) (E89–E89), under category E89, Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified.

What coding notes are listed for E89.1?

Its listed inclusion terms are Postpancreatectomy hyperglycemia; Postsurgical hypoinsulinemia. Code-first instructions: , if applicable, diabetes mellitus (postpancreatectomy) (postprocedural) (E13.-). Additional-code instructions: code, if applicable, to identify:; acquired absence of pancreas (Z90.41-); insulin use (Z79.4). Excludes1 notes: transient postprocedural hyperglycemia (R73.9); transient postprocedural hypoglycemia (E16.2). No Excludes2 note is listed.

Keep exploring

Related E89 codes

E89.0

Postprocedural hypothyroidism

E89.2

Postprocedural hypoparathyroidism

E89.3

Postprocedural hypopituitarism

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