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Excessive masturbation
- Nail-biting
- Nose-picking
- Thumb-sucking
- F98.9 Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
Unspecified mental disorder (F99)
F99 Mental disorder, not otherwise specified
- Includes: mental illness NOS
- Excludes1: unspecified mental disorder due to known physiological condition (F06.9)
Diseases of the nervous system (G00-G99)
- Excludes2: certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O99)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E90)
- injury, poisoning and certain other consequences of external causes (S00-T98)
- neoplasms (C00-D48)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- This chapter contains the following blocks:
- G00-G09 Inflammatory diseases of the central nervous system
- G10-G14 Systemic atrophies primarily affecting the central nervous system
- G20-G26 Extrapyramidal and movement disorders
- G30-G32 Other degenerative diseases of the nervous system
- G35-G37 Demyelinating diseases of the central nervous system
- G40-G47 Episodic and paroxysmal disorders
- G50-G59 Nerve, nerve root and plexus disorders
- G60-G64 Polyneuropathies and other disorders of the peripheral nervous system
- G70-G73 Diseases of myoneural junction and muscle
- G80-G83 Cerebral palsy and other paralytic syndromes
- G89-G99 Other disorders of the nervous system
