Home > 2009 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Hereditary And Degenerative Diseases Of The Central Nervous System 330-337 > Other extrapyramidal disease and abnormal movement disorders 333-
Specific code 2009 ICD-9-CM Diagnosis Code 333.1
Essential and other specified forms of tremor
  • Short description: TREMOR NEC.
  • ICD-9-CM 333.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 333.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2009 version of ICD-9-CM 333.1.
  • More recent version(s) of ICD-9-CM 333.1: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 333.1 converts approximately to:
  • 2015/16 ICD-10-CM G25.0 Essential tremor
    Or:
  • 2015/16 ICD-10-CM G25.1 Drug-induced tremor
    Or:
  • 2015/16 ICD-10-CM G25.2 Other specified forms of tremor
Approximate Synonyms
  • Benign essential tremor
  • Benign familial tremor
  • Darkness tremor
  • Dystonic tremor
  • Early onset cerebellar ataxia with essential tremor
  • Essential tremor
  • Intention tremor
  • Intentional tremor
  • Isolated facial tremor
  • Isolated head tremor
  • Isolated vocal tremor
  • Medication-induced postural tremor
  • Metallic tremor
  • On examination - intention tremor
  • On examination - tremor of tongue
  • On examination - tremor outstretched hands
  • Palatal tremor
  • Physiologic tremor
  • Physiological tremor
  • Postural tremor
  • Progressive cerebellar tremor
  • Resting tremor
  • Rubral tremor
  • Saturnine tremor
  • Static tremor
  • Toxic tremor
  • Tremor due to orthostatic hypotension
  • Tremor of palate
  • Tremor opiophagorum
  • Tremor, drug or toxin induced
  • Tremor, due to orthostatic hypotension
  • Tremor, dystonic
  • Tremor, dystonic tremor
  • Tremor, essential
  • Tremor, intentional
  • Tremor, medication induced postural
  • Tremor, palatal
  • Tremor, physiologic
  • Tremor, postural
  • Tremor, rest
333.1 Excludes
Applies To
  • Benign essential tremor
  • Familial tremor
  • Medication-induced postural tremor
Use Additional
  • Use additional E code to identify drug, if drug-induced
ICD-9-CM Volume 2 Index entries containing back-references to 333.1:
  • Disorder - see also Disease
  • Tremor 781.0
    • essential (benign) 333.1
    • familial 333.1
    • hereditary 333.1
    • intention 333.1
    • medication-induced postural 333.1
    • specified type NEC 333.1
 333.0 ICD9Data.com 333.2 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 333.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
Free ICD-9-CM Codes
Site Information
Free ICD-10-CM/PCS Codes
Free HCPCS Codes