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G47.12

Billable

Idiopathic hypersomnia without long sleep time

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

What This Code Means

Excessive daytime sleepiness and fatigue without the characteristic long sleep periods seen in other forms of idiopathic hypersomnia.

Coding Tips

  • •Confirm that sleep duration is normal but daytime somnolence is present
  • •Differentiate from G47.11 by absence of prolonged nocturnal sleep

Code Hierarchy

└G47Sleep disorders└G47.1Hypersomnia└G47.12Idiopathic hypersomnia without long sleep time
└G47.12Idiopathic hypersomnia without long sleep time

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