Specific code 2006 ICD-9-CM Diagnosis Code 198.4
Secondary malignant neoplasm of other parts of nervous system
  • Short description: SEC MALIG NEO NERVE NEC.
  • ICD-9-CM 198.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 198.4 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 2006 version of ICD-9-CM 198.4.
  • More recent version(s) of ICD-9-CM 198.4: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 198.4 converts approximately to:
  • 2015/16 ICD-10-CM C79.32 Secondary malignant neoplasm of cerebral meninges
    Or:
  • 2015/16 ICD-10-CM C79.49 Secondary malignant neoplasm of other parts of nervous system
Approximate Synonyms
  • Cancer metastatic to cerebral meninges
  • Cancer metastatic to choroid
  • Cancer metastatic to CNS
  • Cancer metastatic to CNS (central nervous system)
  • Cancer metastatic to nervous system
  • Cancer metastatic to spinal meninges
  • Cancer of prostate with metastasis to eye
  • Female breast cancer metastatic to eye
  • Female breast cancer with metastasis to eye
  • Leukemic infiltrate of choroid
  • Lymphoma of retina
  • Lymphomatous meningitis
  • Metastasis to nervous system and eye
  • Metastatic neuroblastoma of orbit proper
  • Prostate cancer metastatic to eye
  • Secondary malignant neoplasm of abducens nerve
  • Secondary malignant neoplasm of accessory nerve
  • Secondary malignant neoplasm of acoustic nerve
  • Secondary malignant neoplasm of central nervous system
  • Secondary malignant neoplasm of cerebral meninges
  • Secondary malignant neoplasm of choroid
  • Secondary malignant neoplasm of ciliary body
  • Secondary malignant neoplasm of conjunctiva
  • Secondary malignant neoplasm of cornea
  • Secondary malignant neoplasm of cranial nerve
  • Secondary malignant neoplasm of eye
  • Secondary malignant neoplasm of eye from female breast
  • Secondary malignant neoplasm of facial nerve
  • Secondary malignant neoplasm of glossopharyngeal nerve
  • Secondary malignant neoplasm of hypoglossal nerve
  • Secondary malignant neoplasm of lacrimal drainage structure
  • Secondary malignant neoplasm of lacrimal gland
  • Secondary malignant neoplasm of lacrimal gland duct
  • Secondary malignant neoplasm of nervous system
  • Secondary malignant neoplasm of oculomotor nerve
  • Secondary malignant neoplasm of olfactory nerve
  • Secondary malignant neoplasm of optic nerve
  • Secondary malignant neoplasm of orbit proper
  • Secondary malignant neoplasm of retina
  • Secondary malignant neoplasm of sclera
  • Secondary malignant neoplasm of spinal meninges
  • Secondary malignant neoplasm of trigeminal nerve
  • Secondary malignant neoplasm of trochlear nerve
  • Secondary malignant neoplasm of uveal tract
  • Secondary malignant neoplasm of vagus nerve
  • T3: Aerodigestive tract tumor extends to anterior orbit and/or maxillary sinus
Applies To
  • Meninges (cerebral) (spinal)
ICD-9-CM Volume 2 Index entries containing back-references to 198.4:
  • Meningitis (basal) (basic) (basilar) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetica) (toxic) 322.9
    • cancerous (M8000/6) 198.4
    • carcinomatous (M8010/6) 198.4
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 198.4 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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.