2026 ICD-10-CM Diagnosis Code Y84Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

ICD-10-CM Codes›V01–Y99›Y62-Y84›Y84

ICD-10-CM Y84
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Y84 is a non-billable ICD-10-CM category code for other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Y84.0, Y84.1, Y84.2, and Y84.3.

Code Identity

ICD-10-CM Code
Y84
Billable Status
No — Non-Billable Category
Code Describes
Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
Chapter
Y62-Y84
Complications of medical and surgical care

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionY62-Y84Complications of medical and surgical care
CategoryY84Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
This CodeY84Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

Specific Coding for Oth medical procedures cause abn react/compl, w/o misadvntOverview

Non-specific codes like Y84 require more characters. Use one of these billable codes instead:

  • Use Y84.0 for Cardiac catheterization as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.1 for Kidney dialysis as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.2 for Radiological procedure and radiotherapy as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.3 for Shock therapy as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.4 for Aspiration of fluid as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.5 for Insertion of gastric or duodenal sound as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.6 for Urinary catheterization as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.7 for Blood-sampling as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.8 for Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

  • Use Y84.9 for Medical procedure, unspecified as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

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 Y84Overview

Is Y84 a billable code?

No. This is a category header that groups the codes for other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure, and headers cannot be submitted on claims. Claims for other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure need a more specific code from this category, such as Y84.0, Y84.1, and Y84.2.