F51..0 Insomnia not due to a substance or known physiological condition

Non-billable header

Excludes 2 (not included here)

  • alcohol related insomnia (F10.182, F10.282, F10.982)
  • drug-related insomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982)
  • insomnia NOS (G47.0-)
  • insomnia due to known physiological condition (G47.0-)
  • organic insomnia (G47.0-)
  • sleep deprivation (Z72.820)

Last reviewed: September 2026