Y ICD-10-CM Categories: Category Index
Browse 51 top-level ICD-10-CM categories beginning with Y, then follow their complete FY 2027 child-code hierarchies.
Complete category list
Categories beginning with Y
Open a category to continue through its complete hierarchy of more specific codes.
Y00Assault by blunt object
Y01Assault by pushing from high place
Y02Assault by pushing or placing victim in front of moving object
Y03Assault by crashing of motor vehicle
Y04Assault by bodily force
Y07Perpetrator of assault, maltreatment and neglect
Y08Assault by other specified means
Y09Assault by unspecified means
Y21Drowning and submersion, undetermined intent
Y22Handgun discharge, undetermined intent
Y23Rifle, shotgun and larger firearm discharge, undetermined intent
Y24Other and unspecified firearm discharge, undetermined intent
Y25Contact with explosive material, undetermined intent
Y26Exposure to smoke, fire and flames, undetermined intent
Y27Contact with steam, hot vapors and hot objects, undetermined intent
Y28Contact with sharp object, undetermined intent
Y29Contact with blunt object, undetermined intent
Y30Falling, jumping or pushed from a high place, undetermined intent
Y31Falling, lying or running before or into moving object, undetermined intent
Y32Crashing of motor vehicle, undetermined intent
Y33Other specified events, undetermined intent
Y35Legal intervention
Y36Operations of war
Y37Military operations
Y38Terrorism
Y62Failure of sterile precautions during surgical and medical care
Y63Failure in dosage during surgical and medical care
Y64Contaminated medical or biological substances
Y65Other misadventures during surgical and medical care
Y66Nonadministration of surgical and medical care
Y69Unspecified misadventure during surgical and medical care
Y70Anesthesiology devices associated with adverse incidents
Y71Cardiovascular devices associated with adverse incidents
Y72Otorhinolaryngological devices associated with adverse incidents
Y73Gastroenterology and urology devices associated with adverse incidents
Y74General hospital and personal-use devices associated with adverse incidents
Y75Neurological devices associated with adverse incidents
Y76Obstetric and gynecological devices associated with adverse incidents
Y77Ophthalmic devices associated with adverse incidents
Y78Radiological devices associated with adverse incidents
Y79Orthopedic devices associated with adverse incidents
Y80Physical medicine devices associated with adverse incidents
Y81General- and plastic-surgery devices associated with adverse incidents
Y82Other and unspecified medical devices associated with adverse incidents
Y83Surgical operation and other surgical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
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
Y90Evidence of alcohol involvement determined by blood alcohol level
Y92Place of occurrence of the external cause
Y93Activity codes
Y95Nosocomial condition
Y99External cause status
Transparency
Source and release
This category index is generated from Vero’s repository-backed ICD-10-CM hierarchy. Every listed category is a top-level record, and each linked category page exposes its direct child codes.
Review the CDC/NCHS ICD-10-CM sourceCategory navigation
Frequently asked questions
Which ICD-10-CM categories begin with Y?
This index lists 51 top-level categories beginning with Y from Vero’s FY 2027 U.S. ICD-10-CM reference dataset.
How do I find a more specific Y code?
Open a category below, then follow its linked child-code hierarchy until you reach the code supported by the documentation.
Which ICD-10-CM release does this Y index use?
The index uses the FY 2027 U.S. ICD-10-CM release and the repository-backed hierarchy displayed on each linked code page.
Is every Y category billable?
No. These are top-level categories used for navigation. Follow the hierarchy to a sufficiently specific code and confirm the active code set, official guidance, and payer requirements.
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