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G44.51

Billable

Hemicrania continua

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

What This Code Means

A rare condition causing continuous one-sided head pain that is typically moderate in intensity and persistent.

Coding Tips

  • •Confirm unilateral (one-sided) location of pain that remains on the same side
  • •Document continuous nature of pain without significant remission periods

Code Hierarchy

└G44Other headache syndromes└G44.5Complicated headache syndromes└G44.51Hemicrania continua
└G44.51Hemicrania continua

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