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 (Y84) ICD-10-CM
The Y84 code range covers 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 with 11 ICD-10-CM diagnosis codes. 10 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the Y84 Range 11 codes · 10 billable
- Y84 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 procedureNon-billable
- Y84.0 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
- Y84.1 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
- Y84.2 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
- Y84.3 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
- Y84.4 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
- Y84.5 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
- Y84.6 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
- Y84.7 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
- Y84.8 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
- Y84.9 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
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the Y84 range.
Radiation Pneumonitis
Inflammation of the lung due to harmful effects of ionizing or non-ionizing radiation.
Xerostomia
Decreased salivary flow.
About the Y84 Code Range
ICD-10 code Y84 and its subcodes identify situations where various medical procedures cause abnormal patient reactions or later complications, without any immediate mishap during the procedure. These codes capture complications arising specifically from treatments like cardiac catheterization, kidney dialysis, radiological therapy, and others.
The ICD-10 code for abnormal reactions due to kidney dialysis (Y84.1) includes issues such as catheter obstructions, post-dialysis dementia, and skin lesions. For complications following radiotherapy and radiological procedures, Y84.2 covers a wide array of effects like radiation-induced skin disorders, tissue necrosis, hypothyroidism, and secondary cancers. This code is particularly helpful for coding delayed or latent adverse effects known by terms such as radiation dermatitis or radiation pneumonitis. Other specific codes include Y84.0 for cardiac catheterization reactions, Y84.3 for shock therapy complications, Y84.6 for urinary catheterization issues, and Y84.8 for miscellaneous medical procedure complications including infusion infections and air embolism. These codes guide precise documentation of treatment-related patient outcomes when no immediate procedural accident occurred.
Questions About This Page
How many billable codes are in the Y84 range?
Of the 11 codes in this range, 10 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Y84 range classify?
The range classifies 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. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
