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Z91.199BillableSave

Z91.199 - Patient's noncompliance with other medical treatment and regimen due to unspecified reason

ICD-10-CM Chapter 21: Factors influencing health status and contact with health services · Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99) · Subcategory of Z91.19 · FY2027

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom Z91.1

Not part of this code; report both codes when the patient has both conditions.

  • caregiver noncompliance with patient's medical treatment and regimen (Z91.A-)
Code AlsoFrom Z91.1

Report an additional code when both conditions apply.

  • , if applicable, to identify underdosing of specific drug (T36-T50 with final character 6)
Excludes 2 — Not Included HereFrom Z91

Not part of this code; report both codes when the patient has both conditions.

  • 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 AlsoFrom Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Report an additional code when both conditions apply.

  • any follow-up examination (Z08-Z09)
NotesFrom Chapter Z00-Z99

Instructional notes from the ICD-10-CM tabular list.

  • Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
  • (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
  • (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with Z91.199.