AutoICD API

Z91.13

Non-billable

Patient'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.

Status

Non-billable / Header

Block

Z77-Z99

Parent Code

Z91.1

Child Codes

2

Coding Notes

Excludes 2

Conditions not included here, but the patient may have both

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

Code First

The underlying condition must be sequenced before this code

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

Code Also

A second code may be required; sequencing depends on circumstances

  • any follow-up examination (Z08-Z09)
  • , if applicable, to identify underdosing of specific drug (T36-T50 with final character 6)

Child Codes (2)

Z91.130

Pt unintent undrdose of meds regimen due to age-rel debility

BillableZ91.138

Patient's unintent undrdose of meds regimen for oth reason

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code Z91.13?

ICD-10-CM code Z91.13 represents "Patient's unintentional underdosing of medication regimen". It 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.

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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.