Y63.9
✓ Billable
Failure in dosage during unspecified surgical and medical care
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
Y63.9
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 Y63.9?
ICD-10-CM code Y63.9 represents Failure in dosage during unspecified surgical and medical care. It is a billable diagnosis code in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is Y63.9 billable?
Yes. Y63.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Y63.9 in?
Y63.9 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the Y63 category
Y63
Failure in dosage during surgical and medical care
Non-billable
Y63.0
Excessive amount of blood or other fluid given during transfusion or infusion
Billable
Y63.1
Incorrect dilution of fluid used during infusion
Billable
Y63.2
Overdose of radiation given during therapy
Billable
Y63.3
Inadvertent exposure of patient to radiation during medical care
Billable
Y63.4
Failure in dosage in electroshock or insulin-shock therapy
Billable
Y63.5
Inappropriate temperature in local application and packing
Billable
Y63.6
Underdosing and nonadministration of necessary drug, medicament or biological substance
Billable
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