What does ICD-10 code Y63 mean?

ICD-10 code Y63 is the standardized code used for failure in dosage during surgical and medical care in medical records and coding systems.

When is ICD-10 code Y63 used?

Doctors, hospitals, and insurers may use ICD-10 code Y63 when recording failure in dosage during surgical and medical care in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code Y63 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code Y63: Failure in dosage during surgical and medical care

Name: ICD-10 Code Y63: Failure in dosage during surgical and medical care
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:49:36.466Z

Y63 is an ICD-10 diagnosis entry used to group records related to Failure in dosage during surgical and medical care. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

When is it used?

May be used when a clinician documents failure in dosage during surgical and medical care in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

20External causes of morbidity (V00-Y99)

block

Y62-Y84Complications of medical and surgical care

block

Y62-Y69Misadventures to patients during surgical and medical care

currentY62-Y69

Official coding notes

Excludes2 (may code together if documented)

accidental overdose of drug or wrong drug given in error (T36-T50)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Sibling codes

Y62Failure of sterile precautions during surgical and medical care Y64Contaminated medical or biological substances Y65Other misadventures during surgical and medical care Y66Nonadministration of surgical and medical carebillable Y69Unspecified misadventure during surgical and medical carebillable

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.

Legacy codes

Y63

Replacement codes

Y63.0 — Excessive amount of blood or other fluid given during transfusion or infusionY63.1 — Incorrect dilution of fluid used during infusionY63.2 — Overdose of radiation given during therapyY63.3 — Inadvertent exposure of patient to radiation during medical careY63.4 — Failure in dosage in electroshock or insulin-shock therapyY63.5 — Inappropriate temperature in local application and packingY63.6 — Underdosing and nonadministration of necessary drug, medicament or biological substanceY63.8 — Failure in dosage during other surgical and medical careY63.9 — Failure in dosage during unspecified surgical and medical care

Common synonyms

Failure in dosage during surgical and medical care

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.