Commonly Used ICD 9 Codes
Mental Retardation, Developmental Delays, CP and Related Disorders
Diagnosis ICD-9 Codes
Aphasia 784.3
Attention Deficit Disorder ( w/ hyperactivity) 314.01
Attention Deficit Disorder (w/out hyperactivity) 314
Autism 299.01
Cerebral Palsy, unspecified 343.9
Chromosomal anomalies include: syndromes associated with
anomalies in the number and form of chromosomes. 758.89
Down's Syndrome 758
Edward's Syndrome 758.2
Fragile X Syndrome 759.83
Hyperkinesis with developmental delay 314.1
Hyperkinetic conduct disorder (w/out developmental delay) 314.2
Infantile autism 299.01
Infantile cerebral palsy 343.9
Klinefelter's Syndrome 758.7
Marfan syndrome 759.82
Mild MR 317
Mixed developmental disorder 315.5
Moderate MR 318
Other specific learning difficulties 315.2
Other specified delay in development 315.8
Patau's Syndrome 758.1
Prader-Willi Syndrome 759.81
Profound MR 318.2
Severe MR 318.1
Unspecified delay in development 315.9
Unspecified Mental Retardation 319
Ambulation - Gait, Coordination, Balance and Posture related diagnoses (OT & PT)
Diagnosis ICD-9 Codes
Abnormality of gait: ataxic, paralytic, spastic, staggering 781.2
Cerebral Ataxia 331.89
Coordination disorder (Clumsiness, dyspraxia and/or specific motor
development disorder) 315.4
Difficulty in walking 719.7
Friedreich's ataxia 334
Lack of coordination; ataxia, not otherwise specified; muscular
incoordination 781.3
Other cerebellar ataxia 334.3
Other extrapyramidal disease & abnormal movement disorder 333.9
Cystic fibrosis 277
Deafness 389.9
Edema 782.3
Gout, unspecified 274.9
Commonly Used ICD 9 Codes
Head injury unspecified 959.01
Other acquired deformity 738.9
Rett's Syndrome 330.8
TBI 854
Visual impairment (Moderate or severe, both eyes) 369.2
Arithmetic Disorder 315.1
Other specific learning difficulties 315.2
Aphasia 784.3
Aphonia 784.41
Apraxia 784.69
Developmental articulation disorder /other 315.39
Developmental language disorder (mixed) receptive/expressive
language disorder 315.32
Developmental language disorder/ expressive language disorder:
includes developmental aphasia 315.31
Dysphagia 787.2
Other Speech Disturbance: Dysarthria, dysphagia, slurred speech 784.5
Reading Disorder 315
Voice:
Dysphonia/change 784.49
Disturbance 784.4
Hearing:
Conductive 389
Neural 389.12
Sensorineural 389.1
Mixed conductive and sensorineural 389.2
Psychiatric, Cognitive, and Developmental Disorders Typically Originating in Childhood and
Adolescence
Conduct disorder, adolescent onset type 312.82
Conduct disorder, childhood onset type 312.81
Impulse control disorder, unspecified 312.3
Infantile autism 299.01
Misery and unhappiness disorder 313.1
Mixed disturbance of conduct and emotions 312.4
Oppositional disorder 313.81
Other specified early childhood psychoses 299.8
Separation anxiety disorder 309.21
Socialized conduct disorder (childhood truancy, socialized) 312.2
Unspecified delay in development 315.9