Y84.9Billable
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
Short description: Medical procedure, unsp cause abn react/compl, w/o misadvnt
- Chapter
- 20. External causes of morbidity
- Category
- Y84
- Effective date
- October 1, 2026
Related codes in category Y84
Y84Oth medical procedures cause abn react/compl, w/o misadvntY84.0Cardiac catheterization cause abn react/compl, w/o misadvntYesY84.1Kidney dialysis cause abn react/compl, w/o misadvntYesY84.2Radiolog proc/radiothrpy cause abn react/compl, w/o misadvntYesY84.3Shock therapy cause abn react/compl, w/o misadvntYesY84.4Aspiration of fluid cause abn react/compl, w/o misadvntYesY84.5Insrt gastr/duodnl sound cause abn react/compl, w/o misadvntYesY84.6Urinary catheterization cause abn react/compl, w/o misadvntYesY84.7Blood-sampling cause abn react/compl, w/o misadvntYesY84.8Oth medical procedures cause abn react/compl, w/o misadvntYes
Frequently asked questions
What is ICD-10 code Y84.9?
Y84.9 is an ICD-10-CM diagnosis code 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.
Is Y84.9 a billable code?
Yes. Y84.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Y84.9 in?
Y84.9 falls under Chapter 20: External causes of morbidity.
When did Y84.9 become effective?
Y84.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Y84.9?
Y84.9 belongs to category Y84, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.