2025 ICD-10-CM Diagnosis Code E89.1

Postprocedural hypoinsulinemia

• E89.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM E89.1 became effective on October 1, 2024.
• This is the American ICD-10-CM version of E89.1 – other international versions of ICD-10 E89.1 may differ.

Applicable To

• Postpancreatectomy hyperglycemia
• Postsurgical hypoinsulinemia

Use Additional

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

Code First

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

Type 1 Excludes

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

The following code(s) above E89.1 contain annotation back-references

 that may be applicable to E89.1:

• E00-E89  Endocrine, nutritional and metabolic diseases
• E89  Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified

Approximate Synonyms

• Hypoinsulinemia, postsurgical
• Post-surgical hypoinsulinemia

ICD-10-CM E89.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 008 Simultaneous pancreas and kidney transplant
• 010 Pancreas transplant
• 019 Simultaneous pancreas and kidney transplant with hemodialysis
• 640 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes with mcc
• 641 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without mcc

Convert E89.1 to ICD-9-CMCode History

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Code annotations containing back-references to E89.1:

• Type 1 Excludes: R73

Diagnosis Index entries containing back-references to E89.1:

• Complication(s) (from) (of)
  • endocrineE34.9
    • postprocedural
      • hypoinsulinemia E89.1
  • surgical procedure (on) T81.9
    • hyperglycemia E89.1 (postpancreatectomy)
    • hypoinsulinemia E89.1 (postpancreatectomy)
• Hyperglycemia, hyperglycemic (transient) R73.9
  • postpancreatectomy E89.1
• Hypoinsulinemia, postprocedural E89.1
• Postpancreatectomy hyperglycemia E89.1
• Postprocedural – see also Postoperative
  • hypoinsulinemia E89.1