Y65.0
✓ Billable
Mismatched blood in transfusion
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
Y65.0
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
External Causes of Morbidity
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Y65.0?
ICD-10-CM code Y65.0 represents Mismatched blood in transfusion. It is a billable diagnosis code in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is Y65.0 billable?
Yes. Y65.0 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Y65.0 in?
Y65.0 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the Y65 category
Y65
Other misadventures during surgical and medical care
Non-billable
Y65.1
Wrong fluid used in infusion
Billable
Y65.2
Failure in suture or ligature during surgical operation
Billable
Y65.3
Endotracheal tube wrongly placed during anesthetic procedure
Billable
Y65.4
Failure to introduce or to remove other tube or instrument
Billable
Y65.5
Performance of wrong procedure (operation)
Non-billable
Y65.8
Other specified misadventures during surgical and medical care
Billable
Y65.51
Performance of wrong procedure (operation) on correct patient
Billable
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