F98.4

Stereotyped movement disorders

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

RxHCC V08

RXHCC133

Anxiety and Other Psychiatric Disorders

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · F98.4

Excludes 1

abnormal involuntary movements (R25.-)

Excludes 2

compulsions in obsessive-compulsive disorder (F42.-) hair plucking (F63.3) movement disorders of organic origin (G20-G25) nail-biting (F98.8) nose-picking (F98.8) stereotypies that are part of a broader psychiatric condition (F01-F95) thumb-sucking (F98.8) tic disorders (F95.-) trichotillomania (F63.3)

Synonyms

Stereotype/habit disorder

Inherited from F98Oth behav/emotn disord w onset usly occur in chldhd and adol

Excludes 2

breath-holding spells (R06.89) gender identity disorder of childhood (F64.2) Kleine-Levin syndrome (G47.13) obsessive-compulsive disorder (F42.-) sleep disorders not due to a substance or known physiological condition (F51.-)

Inherited from F90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence

Note

Codes within categories F90-F98 may be used regardless of the age of a patient. These disorders generally have onset within the childhood or adolescent years, but may continue throughout life or not be diagnosed until adulthood

Inherited from chapter 5Mental, Behavioral and Neurodevelopmental disorders

Includes

disorders of psychological development

Excludes 2

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

Official Guidelines for F98.4

FY 2026 ›

I.C.5Chapter-specific guidanceChapter 5: Mental, Behavioral and Neurodevelopmental disorders

Subsections

Find F98.4 in the alphabetic index

7 index paths lead to this code