Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
F50Eating disorders
Excludes 1: anorexia NOS (R63.0)
› feeding problems of newborn (P92.-)
› polyphagia (R63.2)
Excludes 2: feeding difficulties (R63.3-)
› feeding disorder in infancy or childhood (F98.2-)
F50.0Anorexia nervosa
Excludes 1: loss of appetite (R63.0)
› psychogenic loss of appetite (F50.89)
F50.00Anorexia nervosa, unspecified
F50.01Anorexia nervosa, restricting type
F50.02Anorexia nervosa, binge eating/purging type
Excludes 1: bulimia nervosa (F50.2)
F50.2Bulimia nervosa
› Bulimia NOS
› Hyperorexia nervosa
Excludes 1: anorexia nervosa, binge eating/purging type (F50.02)
F50.8Other eating disorders
Excludes 2: pica of infancy and childhood (F98.3)
F50.81Binge eating disorder
F50.82Avoidant/restrictive food intake disorder
F50.89Other specified eating disorder
› Pica in adults
› Psychogenic loss of appetite
F50.9Eating disorder, unspecified
› Atypical anorexia nervosa
› Atypical bulimia nervosa
› Feeding or eating disorder, unspecified
› Other specified feeding disorder
F51Sleep disorders not due to a substance or known physiological condition
Excludes 2: organic sleep disorders (G47.-)
F51.0Insomnia not due to a substance or known physiological condition
Excludes 2: alcohol related insomnia (F10.182, F10.282, F10.982)
› drug-related insomnia (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)
› insomnia NOS (G47.0-)
› insomnia due to known physiological condition (G47.0-)
› organic insomnia (G47.0-)
› sleep deprivation (Z72.820)
F51.01Primary insomnia
› Idiopathic insomnia
F51.02Adjustment insomnia
F51.03Paradoxical insomnia
F51.04Psychophysiologic insomnia
F51.05Insomnia due to other mental disorder
Code Also: associated mental disorder
F51.09Other insomnia not due to a substance or known physiological condition
F51.1Hypersomnia not due to a substance or known physiological condition
Excludes 2: alcohol related hypersomnia (F10.182, F10.282, F10.982)
› 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)
› hypersomnia NOS (G47.10)
› hypersomnia due to known physiological condition (G47.10)
› idiopathic hypersomnia (G47.11, G47.12)
› narcolepsy (G47.4-)
F51.11Primary hypersomnia
F51.12Insufficient sleep syndrome
Excludes 1: sleep deprivation (Z72.820)
F51.13Hypersomnia due to other mental disorder
Code Also: associated mental disorder
F51.19Other hypersomnia not due to a substance or known physiological condition
F51.3Sleepwalking [somnambulism]
› Non-rapid eye movement sleep arousal disorders, sleepwalking type
F51.4Sleep terrors [night terrors]
› Non-rapid eye movement sleep arousal disorders, sleep terror type
F51.5Nightmare disorder
› Dream anxiety disorder
F51.8Other sleep disorders not due to a substance or known physiological condition
F51.9Sleep disorder not due to a substance or known physiological condition, unspecified
› Emotional sleep disorder NOS
F52Sexual dysfunction not due to a substance or known physiological condition
Excludes 2: Dhat syndrome (F48.8)
F52.0Hypoactive sexual desire disorder
› Lack or loss of sexual desire
› Male hypoactive sexual desire disorder
› Sexual anhedonia
Excludes 1: decreased libido (R68.82)
F52.1Sexual aversion disorder
› Sexual aversion and lack of sexual enjoyment
F52.2Sexual arousal disorders
› Failure of genital response
F52.21Male erectile disorder
› Erectile disorder
› Psychogenic impotence
Excludes 1: impotence of organic origin (N52.-)
› impotence NOS (N52.-)
F52.22Female sexual arousal disorder
› Female sexual interest/arousal disorder
F52.3Orgasmic disorder
› Inhibited orgasm
› Psychogenic anorgasmy
F52.31Female orgasmic disorder
F52.32Male orgasmic disorder
› Delayed ejaculation
F52.4Premature ejaculation
F52.5Vaginismus not due to a substance or known physiological condition
› Psychogenic vaginismus
Excludes 2: vaginismus (due to a known physiological condition) (N94.2)
F52.6Dyspareunia not due to a substance or known physiological condition
› Genito-pelvic pain penetration disorder
› Psychogenic dyspareunia
Excludes 2: dyspareunia (due to a known physiological condition) (N94.1-)
F52.8Other sexual dysfunction not due to a substance or known physiological condition
› Excessive sexual drive
› Nymphomania
› Satyriasis
F52.9Unspecified sexual dysfunction not due to a substance or known physiological condition
› Sexual dysfunction NOS
F53Mental and behavioral disorders associated with the puerperium, not elsewhere classified
Excludes 1: mood disorders with psychotic features (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
› postpartum dysphoria (O90.6)
› psychosis in schizophrenia, schizotypal, delusional, and other psychotic disorders (F20-F29)
F53.0Postpartum depression
› Postnatal depression, NOS
› Postpartum depression, NOS
F53.1Puerperal psychosis
› Postpartum psychosis
› Puerperal psychosis, NOS
F54Psychological and behavioral factors associated with disorders or diseases classified elsewhere
› Psychological factors affecting physical conditions
Code First: the associated physical disorder, such as:
› asthma (J45.-)
› dermatitis (L23-L25)
› gastric ulcer (K25.-)
› mucous colitis (K58.-)
› ulcerative colitis (K51.-)
› urticaria (L50.-)
Excludes 2: tension-type headache (G44.2)
F55Abuse of non-psychoactive substances
Excludes 2: abuse of psychoactive substances (F10-F19)
F55.0Abuse of antacids
F55.1Abuse of herbal or folk remedies
F55.2Abuse of laxatives
F55.3Abuse of steroids or hormones
F55.4Abuse of vitamins
F55.8Abuse of other non-psychoactive substances
F59Unspecified behavioral syndromes associated with physiological disturbances and physical factors
› Psychogenic physiological dysfunction NOS