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ICD-10-CM Current in FY 2027

F51.12

Insufficient sleep syndrome

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where F51.12 sits in the official hierarchy. Each level is the code it is classified under.

  1. F51 Sleep disorders not due to a substance or known physiological condition
  2. F51.1 Parent Hypersomnia not due to a substance or known physiological condition
  3. F51.12 This code Insufficient sleep syndrome

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

sleep deprivation ( Z72.820 )

Excludes2

alcohol related hypersomnia ( F10.182 , F10.282 , F10.982 )

Inherited from F51.1 — Hypersomnia not due to a substance or known physiological condition

Excludes2

organic sleep disorders ( G47 .-)

Inherited from F51 — Sleep disorders not due to a substance or known physiological condition

Excludes2

drug-related hypersomnia ( 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 )

Inherited from F51.1 — Hypersomnia not due to a substance or known physiological condition

Excludes2

hypersomnia NOS ( G47.10 )

Inherited from F51.1 — Hypersomnia not due to a substance or known physiological condition

Excludes2

hypersomnia due to known physiological condition ( G47.10 )

Inherited from F51.1 — Hypersomnia not due to a substance or known physiological condition

Excludes2

idiopathic hypersomnia ( G47.11 , G47.12 )

Inherited from F51.1 — Hypersomnia not due to a substance or known physiological condition

Excludes2

narcolepsy ( G47.4- )

Inherited from F51.1 — Hypersomnia not due to a substance or known physiological condition

Version History

How F51.12 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Insufficient sleep syndrome

  2. FY 2026 Effective

    Unchanged

    Insufficient sleep syndrome

Related Codes

Other codes under F51.1

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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