Other long term (current) drug therapy (2024)

1. ICD-10-CM Codes
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2. Z00-Z99
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3. Z77-Z99
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4. Z79-
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5. 2024 ICD-10-CM Diagnosis Code Z79.899

Other long term (current) drug therapy

2016 2017 2018 2019 2020 2021 2022 2023 2024 Billable/Specific Code POA Exempt

• Z79.899 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursem*nt purposes.
• The 2024 edition of ICD-10-CM Z79.899 became effective on October 1, 2023.
• This is the American ICD-10-CM version of Z79.899 - other international versions of ICD-10 Z79.899 may differ.

Approximate Synonyms

• Allergen immunotherapy started
• Antihypertensive agent surveillance
• Antihypertensive medication surveillance done
• High risk medication monitoring
• High risk medication monitoring indicated
• Immunodeficiency due to long term therapeutic use of drug
• Long term antidepressant medication therapy
• Long term antipsychotic medication therapy
• Long term antiviral therapy
• Long term anxiolytic medication therapy
• Long term apremilast therapy
• Long term current use of abatacept
• Long term current use of abatacept (orencia)
• Long term current use of acetaminophen (tylenol)
• Long term current use of acitretin (soriatane)
• Long term current use of adalimumab (humira)
• Long term current use of amiodarone
• Long term current use of anakinra (kineret)
• Long term current use of anticonvulsant
• Long term current use of aralen (chloroquine)
• Long term current use of azathioprine
• Long term current use of belimumab (benlysta)
• Long term current use of cannabis
• Long term current use of clozapine (clozaril)
• Long term current use of cyclophosphamide
• Long term current use of cyclosporine
• Long term current use of etanercept
• Long term current use of etanercept (enbrel)
• Long term current use of felbamate (felbatol)
• Long term current use of filgrastim (neupogen)
• Long term current use of golimumab (simponi)
• Long term current use of humira
• Long term current use of hydroxychloroquine (plaquenil)
• Long term current use of infliximab (remicade)
• Long term current use of isotretinoin (accutane)
• Long term current use of leflunomide (arava)
• Long term current use of lenalidomide (revlimid)
• Long term current use of lithium
• Long term current use of medication for add and or adhd
• Long term current use of medication for attention deficit disorder (add) or attention deficit hyperactivity disorder (adhd)
• Long term current use of methotrexate
• Long term current use of mycophenolate
• Long term current use of pharmaceutical gold
• Long term current use of plaquenil
• Long term current use of remicade
• Long term current use of retinoid
• Long term current use of rituximab (rituxan)
• Long term current use of sirolimus (rapamune)
• Long term current use of sulfasalazine (azulfidine)
• Long term current use of tacrolimus
• Long term current use of tocilizumab
• Long term diuretic therapy
• Long term drug therapy
• Long term erythropoiesis stimulating agent therapy
• Long term growth hormone therapy
• Long term intravenous immune globulin therapy
• Long term mercaptopurine therapy
• Long term methotrexate user
• Long term testosterone cypionate (oil based intramuscular injection) therapy
• Long term tofacitinib therapy
• Long term use certolizumab pegol
• Long term ustekinumab therapy
• Long-term current use of acitretin
• Long-term current use of anakinra
• Long-term current use of antidepressant medication
• Long-term current use of antipsychotic medication
• Long-term current use of antiviral
• Long-term current use of anxiolytic medication
• Long-term current use of apremilast
• Long-term current use of aralen
• Long-term current use of belimumab
• Long-term current use of certolizumab pegol
• Long-term current use of clozapine
• Long-term current use of diuretic
• Long-term current use of erythropoiesis stimulating agent
• Long-term current use of felbamate
• Long-term current use of filgrastim
• Long-term current use of golimumab
• Long-term current use of growth hormone
• Long-term current use of high dose acetaminophen
• Long-term current use of hydroxychloroquine
• Long-term current use of intravenous immune globulin
• Long-term current use of isotretinoin
• Long-term current use of leflunomide
• Long-term current use of lenalidomide
• Long-term current use of medicinal gold
• Long-term current use of mercaptopurine
• Long-term current use of rituximab
• Long-term current use of sirolimus
• Long-term current use of sulfasalazine
• Long-term current use of testosterone cypionate
• Long-term current use of tofacitinib
• Long-term current use of ustekinumab
• Malaria prophylaxis given
• Medication surveillance, antihypertensive
• Monitoring of long term therapeutic drug use done
• Opioid dependence (moderate use disorder) on agonist therapy, in early remission
• Opioid dependence (moderate use disorder) on agonist therapy, in sustained remission
• Opioid dependence (severe use disorder) on agonist therapy, in early remission
• Opioid dependence (severe use disorder) on agonist therapy, in sustained remission
• Opioid dependence, moderate use, on agonist therapy, in early remission
• Opioid dependence, moderate use, on agonist therapy, in sustained remission
• Opioid dependence, severe use on agonist therapy, in early remission
• Opioid dependence, severe use on agonist therapy, in sustained remission
• Prophylactic (preventative) anticoagulation therapy
• Prophylactic (preventative) immunotherapy
• Prophylactic (preventative) malaria therapy
• Prophylactic (preventative) medication prescription
• Prophylactic anticoagulation given
• Prophylactic medication given
• Therapeutic drug induced immunosuppression, long term use

Present On Admission

POA Help

"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.

• Z79.899 is considered exempt from POA reporting.

ICD-10-CM Z79.899 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

• 949 Aftercare with cc/mcc
• 950 Aftercare without cc/mcc

Convert Z79.899 to ICD-9-CM

Code History

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change
• 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to Z79.899:

• Long-term (current) (prophylactic) drug therapy (use of)
  • drug, specified NEC Z79.899
  • non-insulin antidiabetic drug, injectable Z79.899
• Prophylactic
  • administration of
    • drug Z79.899- - see also Long-term (current) drug therapy (use of)
  • medication Z79.899
• Therapy
  • drug, long-term (current) (prophylactic)
    • drug, specified NEC Z79.899

ICD-10-CM Codes Adjacent To Z79.899

Reimbursem*nt claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.