Billable / Specific Code
ICD-10-CM Y66 is the diagnosis code for Nonadministration of surgical and medical care. This code falls under the section "Misadventures to patients during surgical and medical care" within Chapter 20 — External causes of morbidity (V00-Y99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as Y66. They are mutually exclusive:
Understanding where Y66 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Y66 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Y66 is the ICD-10-CM diagnosis code for "Nonadministration of surgical and medical care". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Y66 is located in Section Y62-Y69 — "Misadventures to patients during surgical and medical care" within Chapter 20 of the ICD-10-CM Tabular List.
Use Y66 when the patients documented diagnosis matches "Nonadministration of surgical and medical care" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Nonadministration of surgical and medical care is Y66.
Yes, Y66 can be used as a primary diagnosis code since it is billable and specific.
Y66 is in Chapter 20 of the ICD-10-CM Tabular List.
Type 1 Excludes for Y66 include: DNR status (Z66); palliative care (Z51.5).
Yes, Y66 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.