F51.02

Adjustment insomnia

Billable / specific

F51.02 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from F51)

  • disorders of psychological development

Excludes2

Not included here — may be reported together when both conditions exist.

Also known as

  • Insomnia, adjustment
  • Insomnia, adjustment disorder
  • Insomnia, short-term
  • Insomnia, stress-related
  • Insomnia, transient
  • Insomnia, without objective findings
  • Misperception, sleep state

Parent code

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

Related codes

  • F51.01Primary insomniaBillable
  • F51.03Paradoxical insomniaBillable
  • F51.04Psychophysiologic insomniaBillable
  • F51.05Insomnia due to other mental disorderBillable
  • F51.09Other insomnia not due to a substance or known physiological conditionBillable

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