Y63 – Failure in dosage during surgical and medical care

ICD-10-CM 2027 diagnosis code · Misadventures to patients during surgical and medical care

Non-billable header

ICD-10-CM code Y63
Code
Y63 (claims format: Y63)
Description
Failure in dosage during surgical and medical care
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
20. External causes of morbidity (V00-Y99)
Block
Y62-Y69 Misadventures to patients during surgical and medical care

Billable codes under Y63

Y63 is a header code and cannot be used on claims. Choose the most specific code:

Notes for Y63

Excludes2 (not included here):
  • accidental overdose of drug or wrong drug given in error (T36-T50)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block Y62-Y69

Excludes1 (not coded here):
  • surgical and medical procedures as the cause of abnormal reaction of the patient, without mention of misadventure at the time of the procedure (Y83-Y84)
Excludes2 (not included here):
  • breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) (Y70-Y82)

Frequently asked questions

What is ICD-10 code Y63?

Y63 is the ICD-10-CM code for failure in dosage during surgical and medical care, in the block Y62-Y69 (Misadventures to patients during surgical and medical care).

Is Y63 a billable code?

No. Y63 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.