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Y99.9

Billable

Unspecified external cause status

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

What This Code Means

This code is used when the external cause status is unknown or not specified in the medical documentation.

Coding Tips

  • •Avoid using this code if any information about the external cause status can be determined from the record
  • •Query the provider if additional details about the circumstances are available

Code Hierarchy

└Y99External cause status└Y99.9Unspecified external cause status
└Y99.9Unspecified external cause status

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