ICD-10-CM Code Z79

Not Valid for Submission

Z79 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of long term (current) drug therapy. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Z79:

Includes

Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

• long term (current) drug use for prophylactic purposes

Code Also

Code Also
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.

• any therapeutic drug level monitoring Z51.81

Type 2 Excludes

Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

• drug abuse and dependence F11 F19
• drug use complicating pregnancy, childbirth, and the puerperium O99.32
• long term current use of oral antidiabetic drugs Z79.84
• long term current use of oral hypoglycemic drugs Z79.84

Code Classification

• Factors influencing health status and contact with health services (Z00–Z99)
  • Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
    • Long term drug therapy (Z79) (current)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

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