Z91.199
Billable codePatient's noncompliance with other medical treatment and regimen due to unspecified reason
The ICD-10 code for patient's noncompliance with other medical treatment and regimen due to unspecified reason is Z91.199.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z91.190Patient's noncompliance with other medical treatment and regimen due to financial hardship
- Z91.198Patient's noncompliance with other medical treatment and regimen for other reason
- Z91.199Patient's noncompliance with other medical treatment and regimen due to unspecified reason
Associated MS-DRGs
Z91.199 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.