Billable / Specific Code
ICD-10-CM Z91.119 is the diagnosis code for Patient's noncompliance with dietary regimen due to unspecified reason. This code falls under the section "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where Z91.119 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Z91.119 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Z91.119 is the ICD-10-CM diagnosis code for "Patient's noncompliance with dietary regimen due to unspecified reason". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z91.119 is Z91.11 ("Patient's noncompliance with dietary regimen"). Z91.119 provides a more specific classification within this category.
Z91.119 is located in Section Z77-Z99 — "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 of the ICD-10-CM Tabular List.
Use Z91.119 when the patients documented diagnosis matches "Patient's noncompliance with dietary regimen due to unspecified reason" 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 Patient's noncompliance with dietary regimen due to unspecified reason is Z91.119.
Yes, Z91.119 can be used as a primary diagnosis code since it is billable and specific.
Z91.119 is in Chapter 21 of the ICD-10-CM Tabular List.
Yes, Z91.119 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.