Z91.13
Non-billablePatient's unintentional underdosing of medication regimen
Patient's unintentional underdosing of medication regimen
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •contact with and (suspected) exposures hazardous to healthZ77
- •exposure to pollution and other problems related to physical environmentZ77.1
- •female genital mutilation statusN90.81
- •occupational exposure to risk factorsZ57
- •personal history of physical injury and trauma,Z87.81, Z87.82
- •caregiver noncompliance with patient's medical treatment and regimenA-)Z91
Code First
The underlying condition must be sequenced before this code
Code Also
A second code may be required; sequencing depends on circumstances
Child Codes (2)
Related Codes(5)
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for patient's unintentional underdosing of medication regimen?
The ICD-10-CM code for patient's unintentional underdosing of medication regimen is Z91.13. The full clinical description is "Patient's unintentional underdosing of medication regimen". Z91.13 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code Z91.13 mean?
ICD-10-CM code Z91.13 represents “Patient's unintentional underdosing of medication regimen”. It is classified under Chapter 22: Factors Influencing Health Status and Contact With Health Services and is a non-billable header code. Use a more specific child code for billing purposes.
Is Z91.13 a billable code?
No, Z91.13 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under Z91.13.
What chapter is Z91.13 in?
Z91.13 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services (codes Z00-Z99).
What are the subcategories under Z91.13?
Z91.13 has 2 child codes, including: Z91.130 (Pt unintent undrdose of meds regimen due to age-rel debility), Z91.138 (Patient's unintent undrdose of meds regimen for oth reason).
What are the UMLS CUIs for Z91.13?
Z91.13 is linked to 1 UMLS Concept Unique Identifier: C2911464. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Z91.13 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like patient's unintentional underdosing of medication regimen affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Z91.13?
There is no direct ICD-11 mapping available for Z91.13 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.