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G44.40

Billable

Drug-induced headache, not elsewhere classified, not intractable

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

What This Code Means

A headache caused by medication or drug use that responds adequately to treatment adjustments.

Coding Tips

  • •Identify and document the specific medication or substance causing the headache
  • •Confirm temporal relationship between drug use and headache onset

Code Hierarchy

└G44Other headache syndromes└G44.4Drug-induced headache, not elsewhere classified└G44.40Drug-induced headache, not elsewhere classified, not intractable
└G44.40Drug-induced headache, not elsewhere classified, not intractable

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