Chapter 6
⚡Diseases of the nervous system (G00-G99)
600 codes · 7 blocks
⚠ Excludes 2(Not included here)
- •certain conditions originating in the perinatal period (P04-P96)
- •certain infectious and parasitic diseases (A00-B99)
- •complications of pregnancy, childbirth and the puerperium (O00-O9A)
- •congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- •endocrine, nutritional and metabolic diseases (E00-E88)
- •injury, poisoning and certain other consequences of external causes (S00-T88)
- •neoplasms (C00-D49)
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
G00-G09Inflammatory diseases of the central nervous system (G00-G09)View all 44 codes →
G00Bacterial meningitis, not elsewhere classifiedHeaderG00.0Hemophilus meningitisBillableG00.1Pneumococcal meningitisBillableG00.2Streptococcal meningitisBillableG00.3Staphylococcal meningitisBillableG00.8Other bacterial meningitisBillableG00.9Bacterial meningitis, unspecifiedBillableG01Meningitis in bacterial diseases classified elsewhereBillable+ 36 more codes in this block →
G10-G14Systemic atrophies primarily affecting the central nervous system (G10-G14)View all 33 codes →
G10Huntington's diseaseBillableG11Hereditary ataxiaHeaderG11.0Congenital nonprogressive ataxiaBillableG11.1Early-onset cerebellar ataxiaHeaderG11.10Early-onset cerebellar ataxia, unspecifiedBillableG11.11Friedreich ataxiaBillableG11.19Other early-onset cerebellar ataxiaBillableG11.2Late-onset cerebellar ataxiaBillable+ 25 more codes in this block →
G20-G26Extrapyramidal and movement disorders (G20-G26)View all 58 codes →
G20Parkinson's diseaseHeaderG20.AParkinson's disease without dyskinesiaHeaderG20.A1Parkinson's disease without dyskinesia, without mention of fluctuationsBillableG20.A2Parkinson's disease without dyskinesia, with fluctuationsBillableG20.BParkinson's disease with dyskinesiaHeaderG20.B1Parkinson's disease with dyskinesia, without mention of fluctuationsBillableG20.B2Parkinson's disease with dyskinesia, with fluctuationsBillableG20.CParkinsonism, unspecifiedBillable+ 50 more codes in this block →
G30-G32Other degenerative diseases of the nervous system (G30-G32)View all 27 codes →
G30Alzheimer's diseaseHeaderG30.0Alzheimer's disease with early onsetBillableG30.1Alzheimer's disease with late onsetBillableG30.8Other Alzheimer's diseaseBillableG30.9Alzheimer's disease, unspecifiedBillableG31Other degenerative diseases of nervous system, not elsewhere classifiedHeaderG31.0Frontotemporal dementiaHeaderG31.01Pick's diseaseBillable+ 19 more codes in this block →
G35-G37Demyelinating diseases of the central nervous system (G35-G37)View all 27 codes →
G35Multiple sclerosisHeaderG35.ARelapsing-remitting multiple sclerosisBillableG35.BPrimary progressive multiple sclerosisHeaderG35.B0Primary progressive multiple sclerosis, unspecifiedBillableG35.B1Active primary progressive multiple sclerosisBillableG35.B2Non-active primary progressive multiple sclerosisBillableG35.CSecondary progressive multiple sclerosisHeaderG35.C0Secondary progressive multiple sclerosis, unspecifiedBillable+ 19 more codes in this block →
G40-G47Episodic and paroxysmal disorders (G40-G47)View all 307 codes →
G40Epilepsy and recurrent seizuresHeaderG40.0Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onsetHeaderG40.00Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractableHeaderG40.001Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticusBillableG40.009Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticusBillableG40.01Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractableHeaderG40.011Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, with status epilepticusBillableG40.019Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, without status epilepticusBillable+ 299 more codes in this block →
G50-G59Nerve, nerve root and plexus disorders (G50-G59)View all 104 codes →
G50Disorders of trigeminal nerveHeaderG50.0Trigeminal neuralgiaBillableG50.1Atypical facial painBillableG50.8Other disorders of trigeminal nerveBillableG50.9Disorder of trigeminal nerve, unspecifiedBillableG51Facial nerve disordersHeaderG51.0Bell's palsyBillableG51.1Geniculate ganglionitisBillable+ 96 more codes in this block →
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