ICD-10 Diagnosis Code Z79.02

Long term (current) use of antithrombotics/antiplatelets

Diagnosis Code Z79.02

ICD-10: Z79.02
Short Description: Long term (current) use of antithrombotics/antiplatelets
Long Description: Long term (current) use of antithrombotics/antiplatelets
This is the 2017 version of the ICD-10-CM diagnosis code Z79.02

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

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Unacceptable principal diagnosis Additional informationCallout TooltipUnacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual’s health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Diagnostic Related Groups
The diagnosis code Z79.02 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • V58.63 - Lng use antiplte/thrmbtc

Present on Admission (POA) Additional informationCallout TooltipPresent on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

The code Z79.02 is exempt from POA reporting.

  • Long-term current use of antiplatelet drug
  • Long-term current use of antithrombotic

Information for Patients

Blood Thinners

Also called: Anti-platelet drugs, Anticoagulants

If you have some kinds of heart or blood vessel disease, or if you have poor blood flow to your brain, your doctor may recommend that you take a blood thinner. Blood thinners reduce the risk of heart attack and stroke by reducing the formation of blood clots in your arteries and veins. You may also take a blood thinner if you have

  • An abnormal heart rhythm called atrial fibrillation
  • Heart valve surgery
  • Congenital heart defects

There are two main types of blood thinners. Anticoagulants, such as heparin or warfarin (also called Coumadin), work on chemical reactions in your body to lengthen the time it takes to form a blood clot. Antiplatelet drugs, such as aspirin, prevent blood cells called platelets from clumping together to form a clot.

When you take a blood thinner, follow directions carefully. Make sure that your healthcare provider knows all of the medicines and supplements you are using.

  • Aspirin and heart disease
  • Clopidogrel (Plavix)
  • How to give a heparin shot
  • Taking warfarin (Coumadin)

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