F34.0

Cyclothymic disorder

Billable / specific

F34.0 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Affective personality disorder
  • Cycloid personality
  • Cyclothymia
  • Cyclothymic personality

Includes (from F34)

  • disorders of psychological development

Excludes2

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

  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99) (from F34)

Also known as

  • Affective personality disorder
  • Cycloid personality
  • Cyclothymia
  • Cyclothymic personality
  • Disorder, cyclothymic
  • Disorder, mood, persistent, cyclothymia
  • Disorder, personality, affective
  • Disorder, personality, cyclothymic
  • Disorder, personality, hyperthymic
  • Personality, affective
  • Personality, cycloid
  • Personality, cyclothymic
  • Personality, hyperthymic

Parent code

  • F34Persistent mood [affective] disordersHeader

Related codes

  • F34.1Dysthymic disorderBillable
  • F34.8Other persistent mood [affective] disordersHeader
  • F34.9Persistent mood [affective] disorder, unspecifiedBillable

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