ICD-10 Diagnosis Code Z45.09

Code Edits
The following edits are applicable to this code:
Questionable admission codes - Some diagnoses are not usually sufficient justification for admission to an acute care hospital. For example, if a patient is given code R030 for elevated blood pressure reading, without diagnosis of hypertension, then the patient would have a questionable admission, since elevated blood pressure reading is not normally sufficient justification for admission to a hospital.

Diagnostic Related Groups
The diagnosis code Z45.09 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)

• 314 - OTHER CIRCULATORY SYSTEM DIAGNOSES WITH MCC
• 315 - OTHER CIRCULATORY SYSTEM DIAGNOSES WITH CC
• 316 - OTHER CIRCULATORY SYSTEM DIAGNOSES WITHOUT CC/MCC

Convert to ICD-9

• V53.39 - Ftng oth cardiac device

Present on Admission (POA)
The code Z45.09 is exempt from POA reporting.

Index to Diseases and Injuries
References found for the code Z45.09 in the Index to Diseases and Injuries:

• - Admission (for) - See Also: Encounter (for);
  • - adjustment (of)
    • - device NEC
      • - implanted - Z45.89
        • - cardiac - Z45.09

• - Interrogation
  • - cardiac (event) (loop) recorder - Z45.09

Pacemakers and Implantable Defibrillators

An arrhythmia is any disorder of your heart rate or rhythm. It means that your heart beats too quickly, too slowly, or with an irregular pattern. Most arrhythmias result from problems in the electrical system of the heart. If your arrhythmia is serious, you may need a cardiac pacemaker or an implantable cardioverter defibrillator (ICD). They are devices that are implanted in your chest or abdomen.

A pacemaker helps control abnormal heart rhythms. It uses electrical pulses to prompt the heart to beat at a normal rate. It can speed up a slow heart rhythm, control a fast heart rhythm, and coordinate the chambers of the heart.

An ICD monitors heart rhythms. If it senses dangerous rhythms, it delivers shocks. This treatment is called defibrillation. An ICD can help control life-threatening arrhythmias, especially those that can cause sudden cardiac arrest (SCA). Most new ICDs can act as both a pacemaker and a defibrillator. Many ICDs also record the heart's electrical patterns when there is an abnormal heartbeat. This can help the doctor plan future treatment.

Getting a pacemaker or ICD requires minor surgery. You usually need to stay in the hospital for a day or two, so your doctor can make sure that the device is working well. You will probably be back to your normal activities within a few days.

• Heart failure - surgeries and devices (Medical Encyclopedia)
• Heart pacemaker (Medical Encyclopedia)
• Heart pacemaker - discharge (Medical Encyclopedia)
• Implantable cardioverter defibrillator - discharge (Medical Encyclopedia)
• Implantable cardioverter-defibrillator (Medical Encyclopedia)

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General Equivalence Map Definitions
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.

• Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
• No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
• Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.

Present 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.