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ICD-10-CM Current in FY 2027

Z91.A2

Caregiver's intentional underdosing of patient's medication regimen

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where Z91.A2 sits in the official hierarchy. Each level is the code it is classified under.

  1. Z91 Personal risk factors, not elsewhere classified
  2. Z91.A Parent Caregiver's noncompliance with patient's medical treatment and regimen
  3. Z91.A2 This code Caregiver's intentional underdosing of patient's medication regimen

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes2

contact with and (suspected) exposures hazardous to health ( Z77 .-)

Inherited from Z91 — Personal risk factors, not elsewhere classified

Excludes2

exposure to pollution and other problems related to physical environment ( Z77.1- )

Inherited from Z91 — Personal risk factors, not elsewhere classified

Excludes2

female genital mutilation status ( N90.81- )

Inherited from Z91 — Personal risk factors, not elsewhere classified

Excludes2

occupational exposure to risk factors ( Z57 .-)

Inherited from Z91 — Personal risk factors, not elsewhere classified

Excludes2

personal history of physical injury and trauma ( Z87.81 , Z87.82- )

Inherited from Z91 — Personal risk factors, not elsewhere classified

Code First

underdosing of medication (T36-T50) with fifth or sixth character 6

More Specific Codes

2 codes under Z91.A2

Version History

How Z91.A2 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Caregiver's intentional underdosing of patient's medication regimen

  2. FY 2026 Effective

    Unchanged

    Caregiver's intentional underdosing of patient's medication regimen

Related Codes

Other codes under Z91.A

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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