Complications of medical and surgical care (Y62-Y84) ICD-10-CM
The Y62–Y84 section covers complications of medical and surgical care with 136 ICD-10-CM diagnosis codes, of which 115 are billable in fiscal year 2026. The section is organized into the 3 code ranges listed below.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- complications of medical devices
- surgical and 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
Code Ranges in This Section 3 ranges · 136 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the Y62–Y84 Code Range
ICD-10 codes Y62 through Y84 document complications and adverse events arising during medical and surgical care. These codes are specifically used to identify failures of sterile precautions, dosage errors, contaminated substances, device malfunctions, and abnormal patient reactions related to a wide range of medical procedures, implants, and devices.
This range includes codes for issues like failure of sterile precautions during surgeries, transfusions, dialysis, injections, and catheterizations (Y62.x), as well as errors in medication or therapeutic dosages, such as overdoses or underdoses (Y63.x). It covers complications from contaminated medical substances, whether transfused, injected, or administered by other means (Y64.x). The series also addresses misadventures like mismatched blood transfusions, wrong fluids, or misplaced tubes during procedures (Y65.x). Nonadministration of necessary care (Y66), unspecified misadventures (Y69), and adverse incidents linked to various medical devices—ranging from anesthesiology (Y70), cardiovascular (Y71), to orthopedic devices (Y79)—are coded here. Additionally, abnormal patient reactions or later complications after surgical and medical procedures without immediate misadventure, such as transplant rejections or radiation effects, are also captured in this comprehensive code set (Y83-Y84). These codes help coders track specific causes of medical care complications, including terms like "mismatched blood transfusion," "infection associated with prosthetic joint," or "radiation-induced plexopathy," that guide precise clinical documentation and billing.
Questions About This Page
How many codes are in the Y62-Y84 range?
The Y62-Y84 range contains 136 ICD-10-CM diagnosis codes in FY 2026. 115 of them are billable, and the rest are category headers that organize the section.
What conditions does Y62-Y84 cover?
The range covers complications of medical and surgical care. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
