Z91.14 is the authoritative medical code for Patient's other noncompliance with medication regimen. This classification is used in medical billing and clinical recording to specify the clinical criteria for patient's other noncompliance with medication regimen (ICD-10-CM Z91.14), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Patient's other noncompliance with medication regimen is a non-billable ICD-10-CM category code Z91.14. A more specific billable subcode must be selected for claims submission. Inclusion terms: Patient's underdosing of medication NOS. Excludes2 (not included here): caregiver noncompliance with patient's medical treatment and regimen Z91.A-; contact with and suspected exposures hazardous to health Z77.-; exposure to pollution and other problems related to physical environment Z77.1-; female genital mutilation status N90.81-; occupational exposure to risk factors Z57.-; personal history of physical injury and trauma (Z87.81, Z87.82-). Code first: , if applicable, adverse effect of underdosing T36-T50. Code also: , if applicable, to identify underdosing of specific drug (T36-T50 with final character 6); any follow-up examination Z08-Z09.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Z91.14 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Patient's underdosing of medication NOS
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- caregiver noncompliance with patient's medical treatment and regimen Z91.A-
- contact with and suspected exposures hazardous to health Z77.-
- exposure to pollution and other problems related to physical environment Z77.1-
- female genital mutilation status N90.81-
- occupational exposure to risk factors Z57.-
- personal history of physical injury and trauma (Z87.81, Z87.82-)
Code First
Underlying conditions that must be sequenced before this code.
- , if applicable, adverse effect of underdosing T36-T50
Code Also
Additional codes that may be required to fully describe the encounter.
- , if applicable, to identify underdosing of specific drug (T36-T50 with final character 6)
- any follow-up examination Z08-Z09
Frequently Asked Questions (FAQ) & Clinical Guidance
Can Z91.14 be billed directly?
No. Z91.14 (Patient's other noncompliance with medication regimen) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Can Z91.14 be reported alongside related conditions?
Per Excludes2 instructions, Z91.14 and the following may both be reported when both are present: caregiver noncompliance with patient's medical treatment and regimen (Z91.A-); contact with and (suspected) exposures hazardous to health (Z77.-); exposure to pollution and other problems related to physical environment (Z77.1-); female genital mutilation status (N90.81-).
Does Z91.14 need to be sequenced after another code?
Yes. Code first: , if applicable, adverse effect of underdosing (T36-T50).
What conditions are included under Z91.14?
Patient's other noncompliance with medication regimen includes: Patient's underdosing of medication NOS.
Codes in This Family (2)
Official ICD-10-CM classifications in the same code family as Z91.14, with their registry titles.
- Z91.141 — Patient's other noncompliance with medication regimen due to financial hardship
- Z91.148 — Patient's other noncompliance with medication regimen for other reason
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code Z86.14
Personal history of Methicillin resistant Staphylococcus aureus infection