Specific code 2015 ICD-9-CM Diagnosis Code 320.1
Pneumococcal meningitis
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 320.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 320.1 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).
Convert to ICD-10-CM: 320.1 converts directly to:
  • 2015/16 ICD-10-CM G00.1 Pneumococcal meningitis
Clinical Information
  • An acute purulent infection of the meninges and subarachnoid space caused by streptococcus pneumoniae, most prevalent in children and adults over the age of 60. This illness may be associated with otitis media; mastoiditis; sinusitis; respiratory tract infections; sickle cell disease (anemia, sickle cell); skull fractures; and other disorders. Clinical manifestations include fever; headache; neck stiffness; and somnolence followed by seizures; focal neurologic deficits (notably deafness); and coma. (from miller et al., merritt's textbook of neurology, 9th ed, p111)
ICD-9-CM Volume 2 Index entries containing back-references to 320.1:
  • Leptomeningitis (chronic) (circumscribed) (hemorrhagic) (nonsuppurative) (see also Meningitis) 322.9
    • pneumococcal 320.1
  • Meningitis (basal) (basic) (basilar) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetica) (toxic) 322.9
    • diplococcal 036.0
      • gram-negative 036.0
      • gram-positive 320.1
    • Diplococcus pneumoniae 320.1
    • pneumococcal 320.1
  • Meningoencephalitis (see also Encephalitis) 323.9
    • pneumococcal 320.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 320.1 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.