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G44.011

Billable

Episodic cluster headache, intractable

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

What This Code Means

Severe headaches that occur in distinct clusters separated by headache-free periods and do not respond adequately to standard treatment.

Coding Tips

  • •Document the episodic nature with clear remission periods between cluster episodes
  • •Confirm intractability with evidence of treatment failures and medication trials

Code Hierarchy

└G44Other headache syndromes└G44.0Cluster headaches and other trigeminal autonomic cephalgias (TAC)└G44.01Episodic cluster headache└G44.011Episodic cluster headache, intractable
└G44.011Episodic cluster headache, intractable

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