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Z99.89

Billable

Dependence on other enabling machines and devices

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A patient depends on other medical machines or devices (not specifically listed in other Z99 codes) to maintain their health or function, such as feeding tubes, pacemakers, or other assistive technology.

Coding Tips

  • This is a catch-all code; always specify the particular device or machine the patient depends on in the medical record documentation for clarity
  • Use this code only when a more specific Z99 code does not apply; consider if a more specific code from the Z99 series would be more appropriate

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