Diagnostic Services ICD-9-CM to ICD-10-CM Codes for Neurology

ICD-9 ICD-10 ICD-9 ICD-10 Diagnoses Diagnoses Code Code Code Code Behavioral/Cognitive Syndromes 277.5 Mucopolysaccharidosis 294.8 Amnestic Disorder F04 Other Mucopolysaccharidoses E76.29 294.9 Cognitive Disorder F09 Mucopolysaccharidosis, Unspecified E76.3 299.00 - 312.9 Behavior Disorder F91.9 Autistic Disorder F84.0 299.01 Attention Deficit Hyperactivity 299.10 - 314.01 F90.9 Childhood Disintegrative Disorder F84.3 Disorder 299.11 Cerebral Degeneration Other Specified Pervasive 299.80 - Developmental Disorders 294.20 F03.90 299.81 (Asperger Syndrome) 331.0 Alzheimer’s Disease G30.9 Asperger's Syndrome F84.5 331.11 Pick’s Disease G31.01 Other Pervasive Developmental F84.8 331.19 Frontal Dementia G31.09 Disorders 331.81 Reye’s Syndrome G93.7 317 Mild Intellectual Disabilities F70 780.09 Delirium R41.0 318.0 - Other Specified Intellectual 318.2 Disabilities Cerebral Lobe Dysfunction Moderate Intellectual Disabilities F71 780.93 Amnesia R41.3 Severe Intellectual Disabilities F72 784.3 R47.01 Profound Intellectual Disabilities F73 784.69 Agnosia R48.1 319 Unspecified Intellectual Disabilities F79 784.69 Apraxia R48.2 Multiple Congenital Anomalies, So 759.7 Q89.7 Cerebrovascular Diseases Described 759.83 Fragile X Syndrome Q99.2 434.01 Thrombotic I63.9 759.89 Other Specified Anomalies Q87.89 434.11 Embolic Stroke I63.9 Other Specified Congenital 435.9 Transient Ischemic Attack G45.9 Malformation Syndromes, Not Q89.8 Cranial Nerve Disorders Elsewhere Classified Other specified congenital 352.9 Cranial Nerve Disorder G52.9 malformations Developmental Delay 759.9 Congenital Anomaly, Unspecified Q89.9 270.0 Amino Acid Transport Disorder 783.42 Delayed Milestones R62.0 Disorders Of Amino-Acid Transport, E72.00 Genetic Disorders Unspecified Cystinuria E72.01 270.1 Phenylketonuria E70.1 Cystinosis E72.04 272.7 Neiman Pick Disease E75.249 Other Disorders Of Amino-Acid Lysosomal Disorders (Gaucher, Fabry, E72.09 272.7 Transport Pompe, Etc.) 270.1 Phenylketonuria [PKU] 275.1 Wilson’s Disease E83.01 Classical Phenylketonuria E70.0 330.0 Leukodystrophy E75.29 271.0 Glycogenosis 330.1 Tay Sach’s Disease E75.02 Disorders Of Amino-Acid Transport, Disorders E72.00 Unspecified 307.81 G44.209 Cystinuria E72.01 339.00 Cluster G44.009 Cystinosis E72.04 346.00 Headache With Aura G43.109 Other Disorders Of Amino-Acid E72.09 Transport ICD-9-CM to ICD-10-CM Codes for Neurology

ICD-9 ICD-10 ICD-9 ICD-10 Diagnoses Diagnoses Code Code Code Code Migraine With Aura, With Intractable Hemiplegic Migraine, With 346.01 Migraine, So Stated, Without Mention G43.119 Intractable Migraine, So Stated, 346.31 G43.419 Of Status Migrainosus Without Mention Of Status Migraine With Aura, Without Mention Migrainosus 346.02 Of Intractable Migraine With Status G43.101 Hemiplegic Migraine, Without Migrainosus 346.32 Mention Of Intractable Migraine With G43.401 Migraine With Aura, With Intractable Status Migrainosus 346.03 Migraine, So Stated, With Status G43.111 Hemiplegic Migraine, With Migrainosus 346.33 Intractable Migraine, So Stated, With G43.411 346.10 Common Migraine G43.009 Status Migrainosus Migraine Without Aura, With Menstrual Migraine, Without Mention Intractable Migraine, So Stated, 346.40 Of Intractable Migraine Without G43.829 346.11 G43.019 Without Mention Of Status Mention Of Status Migrainosus Migrainosus Menstrual Migraine, With Intractable Migraine Without Aura, Without 346.41 Migraine, So Stated, Without Mention G43.839 346.12 Mention Of Intractable Migraine With G43.001 Of Status Migrainosus Status Migrainosus Menstrual Migraine, Without Mention Migraine Without Aura, With 346.42 Of Intractable Migraine With Status G43.821 346.13 Intractable Migraine, So Stated, With G43.011 Migrainosus Status Migrainosus Menstrual Migraine, With Intractable Variants Of Migraine, Not Elsewhere 346.43 Migraine, So Stated, With Status G43.831 Classified, Without Mention Of Migrainosus 346.20 G43.A0 Intractable Migraine, Without Persistent Migraine Aura Without Cerebral Infarction, Without Mention Mention Of Status Migrainosus 346.50 G43.509 Variants Of Migraine, Not Elsewhere Of Intractable Migraine Without Classified, Without Mention Of Mention Of Status Migrainosus 346.20 G43.B0 Intractable Migraine, Without Persistent Migraine Aura Without Cerebral Infarction, With Intractable Mention Of Status Migrainosus 346.51 G43.519 Variants Of Migraine, Not Elsewhere Migraine, So Stated, Without Mention Classified, Without Mention Of Of Status Migrainosus 346.20 G43.D0 Intractable Migraine, Without Persistent Migraine Aura Without Cerebral Infarction, Without Mention Mention Of Status Migrainosus 346.52 G43.501 Variants Of Migraine, Not Elsewhere Of Intractable Migraine With Status Classified, With Intractable Migraine, Migrainosus 346.21 G43.A1 So Stated, Without Mention Of Persistent Migraine Aura Without Cerebral Infarction, With Intractable Status Migrainosus 346.53 G43.511 Variants Of Migraine, Not Elsewhere Migraine, So Stated, With Status Classified, With Intractable Migraine, Migrainosus 346.21 G43.B1 So Stated, Without Mention Of Persistent Migraine Aura With Cerebral Infarction, Without Mention Status Migrainosus 346.60 G43.609 Variants Of Migraine, Not Elsewhere Of Intractable Migraine Without Classified, With Intractable Migraine, Mention Of Status Migrainosus 346.21 G43.C1 So Stated, Without Mention Of Persistent Migraine Aura With Cerebral Infarction, With Intractable Status Migrainosus 346.61 G43.619 Variants Of Migraine, Not Elsewhere Migraine, So Stated, Without Mention Classified, With Intractable Migraine, Of Status Migrainosus 346.21 G43.D1 So Stated, Without Mention Of Persistent Migraine Aura With Cerebral Infarction, Without Mention Status Migrainosus 346.62 G43.601 Hemiplegic Migraine, Without Of Intractable Migraine With Status Mention Of Intractable Migraine Migrainosus 346.30 G43.409 Without Mention Of Status Persistent Migraine Aura With Cerebral Infarction, With Intractable Migrainosus 346.63 G43.611 Migraine, So Stated, With Status Migrainosus ICD-9 ICD-10 ICD-9 ICD-10 Diagnoses Diagnoses Code Code Code Code Chronic Migraine Without Aura, 854.00 Traumatic Brain Injury Without Mention Of Intractable 346.70 G43.709 Unspecified open wound of Migraine Without Mention Of Status unspecified part of head, initial S06.9X0A Migrainosus encounter Chronic Migraine Without Aura, Unspecified Intracranial Injury With Intractable Migraine, So 346.71 G43.719 Without Loss Of Consciousness, S06.9X0D Stated, Without Mention Of Status Subsequent Encounter Migrainosus Unspecified Intracranial Injury Chronic Migraine Without Aura, Without Loss Of Consciousness, S06.9X0S 346.72 Without Mention Of Intractable G43.701 Sequela Migraine With Status Migrainosus 854.10 Brain Injury With Intracranial Wound Chronic Migraine Without Aura, With 346.73 Intractable Migraine, So Stated, With G43.711 Unspecified open wound of Status Migrainosus unspecified part of head, initial S06.9X0A encounter 346.80 Ophthalmic Migraine G43.809 Unspecified Intracranial Injury 346.90 Migraine Headache, Unspecified G43.909 Without Loss Of Consciousness, S06.9X0D 348.2 Idiopathic Intracranial Hypertension G93.2 Subsequent Encounter 784.0 Headache R51 Unspecified Intracranial Injury Without Loss Of Consciousness, S06.9X0S 784.0 Headache G44.1 Sequela Voice And Resonance Disorder, 784.40 R49.9 Intracranial And Spinal Tumors Unspecified 784.59 Other Speech Disturbance R47.02 191.6 Medulloblastoma C71.6 191.9 Glioma C71.9 Infections 192.2 Malignant Neoplasm Of C72.0 322.9 G03.9 194.3 Pituitary Cancer C75.1 323.9 G04.90 225.2 Meningioma D32.9 323.9 Myelitis G04.91 237.5 Brain Tumor D49.6 Injuries 237.70 Neurofibromatosis Q85.00 852.20 Subdural Intracranial Hematoma Motor Neuron Diseases Traumatic Subdural Hemorrhage Without Loss Of Consciousness, S06.5X0A 335.20 Amyotrophic Lateral Sclerosis G12.21 Initial Encounter 335.21 Progressive Muscular Atrophy G12.21 Traumatic Subdural Hemorrhage 335.24 Primary Lateral Sclerosis G12.29 Without Loss Of Consciousness, S06.5X0D Subsequent Encounter Movement And Cerebellar Disorders Traumatic Subdural Hemorrhage 307.20 Tic Disorder F95.9 Without Loss Of Consciousness, S06.5X0S Sequela 307.23 Tourette’s Syndrome F95.2 853.00 Traumatic Cerebral Hemorrhage 332.0 Parkinson’s Disease G20 Unspecified focal traumatic brain 332.1 Secondary G21.9 injury without loss of consciousness, S06.300A 333.0 Progressive Supernuclear Palsy G23.1 initial encounter Essential And Other Specified Forms Unspecified Focal Traumatic 333.1 G25.0 Of Brain Injury Without Loss Of S06.300D Essential And Other Specified Forms Consciousness, Subsequent 333.1 G25.1 Encounter Of Tremor Essential And Other Specified Forms Unspecified Focal Traumatic 333.1 G25.2 Brain Injury Without Loss Of S06.300S Of Tremor Consciousness, Sequela 333.2 G25.3 ICD-9 ICD-10 ICD-9 ICD-10 Diagnoses Diagnoses Code Code Code Code 333.4 Huntington’s Disease G10 356.3 Refsum’s Disease G60.1 Other Specified Idiopathic Peripheral 333.5 G25.5 356.8 G60.8 Neuropathy 333.72 Acute Due To Drugs G24.02 356.9 Peripheral Neuropathy G60.9 333.79 Acquired Torsion Dystonia G24.8 357 Guillain-Barre Syndrome G61.0 781.0 Spasms R25.2 358.00 Myasthenia Gravis G70.00 781.0 Tremor R25.1 358.01 Myasthenia Gravis With Exacerbation G70.01 781.3 R27.0 Disorders Muscular Dystrophies And Other Myopathies Generalized Nonconvulsive Congenital Hereditary Muscular 345.00 G40.A01 359.0 G71.2 W/O Mention Of Intractable Epilepsy Dystrophy Generalized Nonconvulsive Epilepsy 345.00 G40.A09 359.1 Muscular Dystrophy G71.0 W/O Mention Of Intractable Epilepsy Generalized Nonconvulsive Epilepsy 359.21 Myotonic Muscular Dystrophy G71.11 345.01 G40.A11 359.22 Myotonia Congenita G71.12 W/Intractable Epilepsy Generalized Nonconvulsive Epilepsy 345.01 G40.A19 359.24 Drug-Induced Myotonia G71.14 W/Intractable Epilepsy 359.3 Periodic Paralysis G72.3 345.10 Grand Mal Seizure G40.409 359.4 Toxic Myopathy G72.2 345.10 Myoclonic , Intractable G40.419 Symptomatic Inflammatory Generalized Convulsive Epilepsy With 345.11 G40.311 359.6 Myopathy In Diseases Classified G73.7 Intractable Epilepsy Elsewhere Generalized Convulsive Epilepsy With 345.11 G40.319 359.71 Inclusion Body Myositis [IBM] G72.41 Intractable Epilepsy Grand Mal , 359.9 Myopathy, Unspecified G72.9 345.30 G40.411 Intractable Other Neurological Disorders 345.40 Complex Partial Seizures G40.209 324.1 Spinal Epidural Abscess G0.61 Localization-Related (Focal) (Partial) Epilepsy And Epileptic Syndromes 334.0 Friedreich’s Ataxia G11.1 345.40 G40.201 With Complex Partial Seizures, W/O 334.1 Hereditary Spastic Paraplegia G11.4 Mention Of Intractable Epilepsy 336.1 Acute Infarction Of Spinal Cord G95.11 Localization-Related (Focal) (Partial) Epilepsy And Epileptic Syndromes 336.9 Myelopathy G95.9 345.41 G40.211 With Complex Partial Seizures W/ 336.9 Spinal Cord Compression G95.20 Intractable Epilepsy 340 G35 Localization-Related (Focal) (Partial) Epilepsy And Epileptic Syndromes 341.0 Neuromyelitis Optica G36.0 345.41 G40.219 With Complex Partial Seizures W/ 342.90 Hemiplegia, Unspecified G81.90 Intractable Epilepsy 343.9 Infantile Cerebral Palsy G80.9 345.50 Simple Partial Seizures G40.109 741.90 Spina Bifida Q05.9 Localization-Related (Focal) (Partial) Epilepsy And Epileptic Syndromes Peripheral Disorders 345.51 G40.111 With Simple Partial Seizures W/ 335.10 G12.9 Intractable Epilepsy 350.10 G50.0 Localization-Related (Focal) (Partial) Epilepsy And Epileptic Syndromes 351.0 Bell’s Palsy G51.0 345.51 G40.119 With Simple Partial Seizures W/ 351.8 Hemifacial Spasms G51.8 Intractable Epilepsy 356.1 Peroneal Muscular Atrophy G60.0 Infantile Spasms W/O Mention Of 345.60 G40.821 Intractable Epilepsy ICD-9 ICD-10 ICD-9 ICD-10 Diagnoses Diagnoses Code Code Code Code Infantile Spasms W/O Mention Of 345.60 G40.822 327.40 Organic Parasomnia G47.50 Intractable Epilepsy 327.51 Periodic Limb Movement Disorders G47.61 Infantile Spasms W/Intractable 345.61 G40.823 Epilepsy 333.94 G25.81 Infantile Spasms W/Intractable 345.61 G40.824 347.00 Narcolepsy G47.419 Epilepsy 347.01 Narcolepsy With Cataplexy G47.411 Epilepsy Partialis Continua W/O 345.70 G40.101 Mention Of Intractable Epilepsy 780.52 Insomnia G47.00 Epilepsy Partialis Continua W/ 345.71 G40.119 Miscellaneous Intractable Epilepsy Autoimmune Disease, Not Elsewhere Other Forms Of Epilepsy And 279.49 D89.89 Classified 345.80 Recurrent Seizures W/O Mention Of G40.B01 Depressive Disorder, Not Elsewhere Intractable Epilepsy 311 F32.9 Classified Other Forms Of Epilepsy And 345.80 Recurrent Seizures W/O Mention Of G40.B09 331.83 Mild Cognitive Impairment, So Stated G31.84 Intractable Epilepsy 331.9 Cerebral Degeneration, Unspecified G31.9 Other Forms Of Epilepsy And Unspecified Extrapyramidal Disease 333.90 G25.9 345.80 Recurrent Seizures W/O Mention Of G40.811 And Abnormal Intractable Epilepsy 333.91 Stiff-Man Syndrome G25.82 Other Forms Of Epilepsy And 345.80 Recurrent Seizures W/O Mention Of G40.812 334.8 Other Spinocerebellar Diseases G11.8 Unspecified Disorder Of Autonomic Intractable Epilepsy 334.9 G90.9 Other Forms Of Epilepsy And Nervous System 345.81 Recurrent Seizures W/Intractable G40.B11 335.19 Other Spinal Muscular Atrophy G12.8 Epilepsy 335.29 Other G12.29 Other Forms Of Epilepsy And Of Central 345.81 Recurrent Seizures W/Intractable G40.B19 341.9 G37.9 Nervous System, Unspecified Epilepsy Other Forms Of Epilepsy And 348.30 , Unspecified G93.40 345.81 Recurrent Seizures W/Intractable G40.813 354.0 Carpal Tunnel Syndrome G56.00 Epilepsy 355.9 Mononeuritis Of Unspecified Site G58.9 Other Forms Of Epilepsy And 345.81 Recurrent Seizures W/Intractable G40.814 357.2 Polyneuropathy In Diabetes E11.42 Epilepsy 357.3 Polyneuropathy In Malignant Disease G63 345.90 Epilepsy G40.909 Chronic Inflammatory Demyelinating 357.81 G61.81 Epilepsy, Unspecified With Polyneuritis 345.91 G40.911 Other Inflammatory And Toxic Intractable Epilepsy 357.89 G62.89 Epilepsy, Unspecified With Neuropathy 345.91 G40.919 Myasthenia Gravis Without (Acute) Intractable Epilepsy 358.00 G70.00 779.0 Convulsions In Newborn P90 Exacerbation 368.2 Diplopia H53.2 780.31 Febrile Seizures R56.00 368.9 Unspecified Visual Disturbance H53.9 780.32 Complex Febrile Seizure R56.01 374.30 Ptosis Of Eyelid, Unspecified H02.409 780.33 Post-Traumatic Seizures R56.1 377.10 Optic Atrophy, Unspecified H47.20 Sleep Disorders 377.16 Hereditary Optic Atrophy H47.22 327.20 Organic Sleep Apnea, Unspecified G47.30 377.30 , Unspecified H46.9 327.21 Primary Central, Sleep Apnea G47.31 386.11 Benign Paroxysmal Positional Vertigo H81.13 Obstructive Sleep Apnea (Adult) 327.23 G47.33 (Pediatric) 723.1 Cervicalgia M54.2 327.30 Circadian Rhythm G47.20 724.2 Lumbago M54.5 Diagnostic Services

ICD-9 ICD-10 ICD-9 ICD-10 Diagnoses Diagnoses Code Code Code Code Muscular Wasting And Disuse 728.2 M62.50 780.2 Syncope And Collapse R55 Atrophy, Not Elsewhere Classified 780.93 Retrograde Amnesia R41.2 728.85 Spasm Of Muscle M62.838 781.2 Abnormality Of Gait R26.9 728.87 Muscle Weakness (Generalized) M62.81 784.51 Dysarthria R47.1 M60.9; 729.1 Myalgia And Myositis, Unspecified M79.1 787.20 Dysphagia, Unspecified R13.10 Neuralgia, Neuritis, And Radiculitis, M79.2; Other Signs And Symptoms Involving 729.2 799.59 R41.89 Unspecified M54.10 Cognition Family History Of Other 729.5 Pain In Limb M79.609 V17.89 Z82.69 Musculoskeletal Diseases 729.82 Cramp Of Limb R25.2 Family History Of Carrier Of Genetic Other Musculoskeletal Symptoms V18.9 Z84.81 729.89 R29.898 Disease Referable To Limbs Encounter For Therapeutic Drug V5883 Z51.81 Monitoring

This list is intended to assist ordering physicians in providing ICD-10 Diagnostics codes as required by Medicare and other Insurers. It includes some commonly found ICD-10 codes. This list was compiled from the ICD-10-CM 2015 AMA manual. A current ICD-10-CM book should be used as a complete reference. The ultimate responsibility for correct coding belongs to the ordering physician. QuestDiagnostics.com Quest, Quest Diagnostics, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third party marks - ® and ™ - are the property of their respective owners. © 2015 Quest Diagnostics Incorporated. All rights reserved. MI4958 10/2015