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Published: July 4, 2017
Eric Mason

Childhood Disorders

Childhood Disorders


Mental Retardation: Characterized by significantly

Sub average intellectual functioning (IQ of 70 or

Below) with onset before age 18.

  1. Mild- IQ 50-55 to 70; educable

318.0 Moderate- 35-40 to 50-55; trainable

318.1 Severe- 20-25 to 35-40; little speech

318.2 Profound- below 20-25

319 Mental Retardation, severity unspecified.


Learning Disorders: Characterized by

Functioning substantially (one standard deviation) below expected levels.

Academic learning disorders: Three types.

315.00 Reading

315.1 Mathematics

315.2 Written expression

315.9 Learning disorder NOS


315.4Motor Skills Disorder: Impairment of motor coordination.


Communication Disorders:


315.31 Expressive language

315.32 Mixed receptive-expressive

Language disorder.

315.39 Phonological Disorder- Articulation

disorder, poor ability to produce sounds.

307.0 Stuttering- Disturbance in normal fluency.

307.9 Communication Disorder NOS

(poor pitch, tone, quality, etc.)


Pervasive Developmental Disorders:


299.00 Autistic Disorder: Markedly impaired

social interaction and communication, restricted interests and activity.


299.80 Rett’s Disorder: Multiple specific

deficiencies following a period of normal

functioning after birth.


299.10 Childhood disintegrative disorder:

Regression in multiple areas of functioning

Following a period of normal functioning

(of at least 2 years) After 2 years but before

10 years of age.


299.80 Asperger’s Syndrome: Severe

impairment in social interaction (not



299.80 Pervasive developmental disorder NOS



Attention Deficit and Disruptive Behavior Disorders


314.01ADHD Combined type: 6 or more symptoms of both inattention and hyperactivity/impulsivity.


314.00 ADHD predominantly inattentive- 6 or more symptoms of inattention.


314.01 ADHD predominantly hyperactive impulsivity: 6 or more symptoms of hyperactivity and/or impulsivity.


314.9 ADHD NOS



Conduct Disorder: Repetitive and persistent pattern

Of violating basic rights of others as well as age appropriate social norms and rules.


312.81 Childhood onset type: onset before age 10.


312.82 Adolescent onset type: Onset after age 10.


312.89 Unspecified onset.


313.81 Oppositional Defiant Disorder- recurrent

pattern of negativistic, defiant, disobedient, and hostile behavior toward authority figures that persists for more than 6 months.


312.9 Disruptive behavior disorder NOS


A number of others, including feeding, eating, tic, elimination, separation anxieties, etc., we do not have time to cover.


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