2026 ICD-10-CM Diagnosis Code G93.82Brain death

ICD-10-CM Codes›G00–G99›G89-G99›G93

ICD-10-CM G93.82
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G93.82 is a billable ICD-10-CM diagnosis code for brain death. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as brainstem death. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other nervous system disorders (neither hereditary nor degenerative).

Code Identity

ICD-10-CM Code
G93.82
Billable Status
Yes — Valid for Submission
Code Describes
Brain death
Short Description
Brain death
Same as the full description in the CMS dataset.
Parent Code
G93.8
Other specified disorders of brain

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG89-G99Other disorders of the nervous system
CategoryG93Other disorders of brain
This CodeG93.82Brain death

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Brainstem death
  • Brainstem death criteria
  • Brainstem death criteria fulfilled
  • Brainstem death criteria fulfilled after first examination
  • Brainstem death criteria fulfilled after second examination

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Brain
      • death
    • Death(cause unknown) (of) (unexplained) (unspecified cause)
      • brain

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR NVS020
Other nervous system disorders (neither hereditary nor degenerative)
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Brain Death

    a state of prolonged irreversible cessation of all brain activity, including lower brain stem function with the complete absence of voluntary movements, responses to stimuli, brain stem reflexes, and spontaneous respirations. reversible conditions which mimic this clinical state (e.g., sedative overdose, hypothermia, etc.) are excluded prior to making the determination of brain death. (from adams et al., principles of neurology, 6th ed, pp348-9)

Patient EducationClinical

End of Life Issues

Planning for the end of life can be difficult. But by deciding what end-of-life care best suits your needs when you are healthy, you can help those close to you make the right choices when the time comes.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert G93.82 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
348.82 Brain death
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About G93.82Overview

Is G93.82 (Other specified disorders of brain) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report brain death on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of G93.82?

Under the General Equivalence Mappings, brain death converts to ICD-9-CM 348.82 (brain death). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.