About Section G20-G26

Section G20-G26 covers Extrapyramidal and movement disorders within Chapter 6 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from G20 to G26. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 58 entries

G20Parkinson's diseaseNon-Billable›G20.AParkinson's disease without dyskinesiaNon-Billable›G20.A1Parkinson's disease without dyskinesia, without mention of fluctuationsBillable›G20.A2Parkinson's disease without dyskinesia, with fluctuationsBillable›G20.BParkinson's disease with dyskinesiaNon-Billable›G20.B1Parkinson's disease with dyskinesia, without mention of fluctuationsBillable›G20.B2Parkinson's disease with dyskinesia, with fluctuationsBillable›G20.CParkinsonism, unspecifiedBillable›G21Secondary parkinsonismNon-Billable›G21.0Malignant neuroleptic syndromeBillable›G21.1Other drug-induced secondary parkinsonismNon-Billable›G21.11Neuroleptic induced parkinsonismBillable›G21.19Other drug induced secondary parkinsonismBillable›G21.2Secondary parkinsonism due to other external agentsBillable›G21.3Postencephalitic parkinsonismBillable›G21.4Vascular parkinsonismBillable›G21.8Other secondary parkinsonismBillable›G21.9Secondary parkinsonism, unspecifiedBillable›G23Other degenerative diseases of basal gangliaNon-Billable›G23.0Hallervorden-Spatz diseaseBillable›G23.1Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]Billable›G23.2Striatonigral degenerationBillable›G23.3Hypomyelination with atrophy of the basal ganglia and cerebellumBillable›G23.8Other specified degenerative diseases of basal gangliaBillable›G23.9Degenerative disease of basal ganglia, unspecifiedBillable›G24DystoniaNon-Billable›G24.0Drug induced dystoniaNon-Billable›G24.01Drug induced subacute dyskinesiaBillable›G24.02Drug induced acute dystoniaBillable›G24.09Other drug induced dystoniaBillable›G24.1Genetic torsion dystoniaBillable›G24.2Idiopathic nonfamilial dystoniaBillable›G24.3Spasmodic torticollisBillable›G24.4Idiopathic orofacial dystoniaBillable›G24.5BlepharospasmBillable›G24.8Other dystoniaBillable›G24.9Dystonia, unspecifiedBillable›G25Other extrapyramidal and movement disordersNon-Billable›G25.0Essential tremorBillable›G25.1Drug-induced tremorBillable›G25.2Other specified forms of tremorBillable›G25.3MyoclonusBillable›G25.4Drug-induced choreaBillable›G25.5Other choreaBillable›G25.6Drug induced tics and other tics of organic originNon-Billable›G25.61Drug induced ticsBillable›G25.69Other tics of organic originBillable›G25.7Other and unspecified drug induced movement disordersNon-Billable›G25.70Drug induced movement disorder, unspecifiedBillable›G25.71Drug induced akathisiaBillable›G25.79Other drug induced movement disordersBillable›G25.8Other specified extrapyramidal and movement disordersNon-Billable›G25.81Restless legs syndromeBillable›G25.82Stiff-man syndromeBillable›G25.83Benign shuddering attacksBillable›G25.89Other specified extrapyramidal and movement disordersBillable›G25.9Extrapyramidal and movement disorder, unspecifiedBillable›G26Extrapyramidal and movement disorders in diseases classified elsewhereBillable›