E89.1

E89.1: Postprocedural hypoinsulinemia

Billable / specific codeICD-10-CM

E89.1 is a billable, specific ICD-10-CM code for postprocedural hypoinsulinemia. It is valid for submission on a claim.

Check E89.1 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Code first

The underlying condition must be sequenced before this code.

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

Use additional code

Add a secondary code to capture the detail described below.

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Postpancreatectomy hyperglycemia
Postsurgical hypoinsulinemia

Excludes2 inherited from the categories above E89.1

Not part of this code, but both may be coded when both are present.

Written on E89: Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified

intraoperative complications of endocrine system organ or structure (E36.0-, E36.1-, E36.8)

Other codes that can never be billed with E89.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

R73Elevated blood glucose level

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

E89.1 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56686Billing and Coding: HbA1c
A57361Billing and Coding: Monitored Anesthesia Care

Alphabetic index entries that lead here

Hypoinsulinemia, postprocedural
Postpancreatectomy hyperglycemia
Hyperglycemia, hyperglycemic›postpancreatectomy
Postprocedural›hypoinsulinemia
Complication›surgical procedure›hyperglycemia(postpancreatectomy)
Complication›surgical procedure›hypoinsulinemia(postpancreatectomy)
Complication›endocrine›postprocedural›hypoinsulinemia

Code history

Unchanged in every release from FY2024 to FY2027.