2020

  1. ICD-10-CM Codes
    2. ›
  2. V00-Y99 External causes of morbidity
    3. ›
  3. Y62-Y69 Misadventures to patients during surgical and medical care
    4. ›
  4. Y66- Nonadministration of surgical and medical care
    5. ›
  5. 2020 ICD-10-CM Diagnosis Code Y66

2020 ICD-10-CM Diagnosis Code Y66

Nonadministration of surgical and medical care

    2016 2017 2018 2019 2020 Billable/Specific Code
  • Y66 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM Y66 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Y66 - other international versions of ICD-10 Y66 may differ.
ICD-10-CM Coding Rules
  • Y66 describes the circumstance causing an injury, not the nature of the injury.
Applicable To
  • Premature cessation of surgical and medical care
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as Y66. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • DNR status (
    ICD-10-CM Diagnosis Code Z66

    Do not resuscitate

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • DNR status
    Z66
    )
  • palliative care (
    ICD-10-CM Diagnosis Code Z51.5

    Encounter for palliative care

      2016 2017 2018 2019 2020 Billable/Specific Code
    Z51.5
    )
The following code(s) above Y66 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Y66:
  • V00-Y99
    2020 ICD-10-CM Range V00-Y99

    External causes of morbidity

    Note
    • This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.
    External causes of morbidity
  • Y62-Y69
    2020 ICD-10-CM Range Y62-Y69

    Misadventures to patients during surgical and medical care

    Type 1 Excludes
    • 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)
    Type 2 Excludes
    • breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) (Y70-Y82)
    Misadventures to patients during surgical and medical care

Convert Y66 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

External Cause Index entries containing back-references to Y66:

ICD-10-CM Codes Adjacent To Y66
Y65.0 Mismatched blood in transfusion
Y65.1 Wrong fluid used in infusion
Y65.2 Failure in suture or ligature during surgical operation
Y65.3 Endotracheal tube wrongly placed during anesthetic procedure
Y65.4 Failure to introduce or to remove other tube or instrument
Y65.5 Performance of wrong procedure (operation)
Y65.51 …… on correct patient
Y65.52 Performance of procedure (operation) on patient not scheduled for surgery
Y65.53 Performance of correct procedure (operation) on wrong side or body part
Y65.8 Other specified misadventures during surgical and medical care
Y66 Nonadministration of surgical and medical care
Y69 Unspecified misadventure during surgical and medical care
Y70 Anesthesiology devices associated with adverse incidents
Y70.0 Diagnostic and monitoring anesthesiology devices associated with adverse incidents
Y70.1 Therapeutic (nonsurgical) and rehabilitative anesthesiology devices associated with adverse incidents
Y70.2 Prosthetic and other implants, materials and accessory anesthesiology devices associated with adverse incidents
Y70.3 Surgical instruments, materials and anesthesiology devices (including sutures) associated with adverse incidents
Y70.8 Miscellaneous anesthesiology devices associated with adverse incidents, not elsewhere classified
Y71 Cardiovascular devices associated with adverse incidents
Y71.0 Diagnostic and monitoring cardiovascular devices associated with adverse incidents
Y71.1 Therapeutic (nonsurgical) and rehabilitative cardiovascular devices associated with adverse incidents

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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