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G44.009

Billable

Cluster headache syndrome, unspecified, not intractable

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

What This Code Means

Severe, recurring headaches that occur in clusters (grouped episodes) and respond adequately to standard treatment, with unspecified pattern.

Coding Tips

  • •The '9' indicates not intractable; document successful treatment response
  • •Specify the cluster pattern characteristics in documentation for clarity

Code Hierarchy

└G44Other headache syndromes└G44.0Cluster headaches and other trigeminal autonomic cephalgias (TAC)└G44.00Cluster headache syndrome, unspecified└G44.009Cluster headache syndrome, unspecified, not intractable
└G44.009Cluster headache syndrome, unspecified, not intractable

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