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F51.05

Billable

Insomnia due to other mental disorder

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

What This Code Means

Difficulty falling or staying asleep that is caused by another mental health condition, such as depression or anxiety.

Coding Tips

  • •Always code the underlying mental disorder first, then use F51.05 as a secondary diagnosis
  • •Verify documentation clearly links the insomnia to a specific mental health condition

Code Also

  • associated mental disorder

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