Failure in dosage during surgical and medical care
In Misadventures to patients during surgical and medical care (Y62-Y69), chapter 20: External Causes of Morbidity
9 billable codes under Y63: none are a CC or MCC; none map to an HCC.
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Instructional notes
Excludes2: not included here, code separately if applicable
- accidental overdose of drug or wrong drug given in error (T36-T50)
Also applies, from Misadventures to patients during surgical and medical care (Y62-Y69)
These notes sit on Y62-Y69 and apply to every code under it, including Y63.
Excludes1: not coded here, use a different code
- 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, code separately if applicable
- breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) (Y70-Y82)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.
- General External Cause Coding Guidelines (page 88)
- Place of Occurrence Guideline (page 89)
- Activity Code (page 89)
- Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
- If the Reporting Format Limits the Number of External Cause Codes (page 90)
- Multiple External Cause Coding Guidelines (page 90)
- Child and Adult Abuse Guideline (page 90)
- Unknown or Undetermined Intent Guideline (page 91)
All codes under Y63
Y63 can't be used on a claim. Pick a billable code below; grey headings group them.
- Y63.0Excessive amount of blood or other fluid given during transfusion or infusion
- Y63.1Incorrect dilution of fluid used during infusion
- Y63.2Overdose of radiation given during therapy
- Y63.3Inadvertent exposure of patient to radiation during medical care
- Y63.4Failure in dosage in electroshock or insulin-shock therapy
- Y63.5Inappropriate temperature in local application and packing
- Y63.6Underdosing and nonadministration of necessary drug, medicament or biological substance
- Y63.8Failure in dosage during other surgical and medical care
- Y63.9Failure in dosage during unspecified surgical and medical care
Y63 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Medication Errors
Medicines treat infectious diseases, prevent problems from chronic diseases, and ease pain. But medicines can also cause harmful reactions if not used correctly. Errors can happen in the hospital, at the health care provider's office, at the pharmacy, or at home. You can help prevent errors by:
Read more about medication errors on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.