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G44.81

Billable

Hypnic headache

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

What This Code Means

A headache that occurs during sleep or upon waking, typically affecting older adults and occurring multiple times per week.

Coding Tips

  • •Document the temporal relationship to sleep and confirm headaches occur during sleep periods
  • •Note the frequency and pattern of nocturnal headache episodes

Code Hierarchy

└G44Other headache syndromes└G44.8Other specified headache syndromes└G44.81Hypnic headache
└G44.81Hypnic headache

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