Home > 2015 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Inflammatory Diseases Of The Central Nervous System 320-327 > Meningitis due to other organisms 321-
Non-specific code 2015 ICD-9-CM Diagnosis Code 321
Meningitis due to other organisms
  • 2015
  • Non-Billable Code

  • There are 6 ICD-9-CM codes below 321 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
  • Meningeal inflammation produced by cryptococcus neoformans, an encapsulated yeast that tends to infect individuals with acquired immunodeficiency syndrome and other immunocompromised states. The organism enters the body through the respiratory tract, but symptomatic infections are usually limited to the lungs and nervous system. The organism may also produce parenchymal brain lesions (torulomas). Clinically, the course is subacute and may feature headache; nausea; photophobia; focal neurologic deficits; seizures; cranial neuropathies; and hydrocephalus. (from Adams et al., Principles of Neurology, 6th ed, pp721-2)
321 Includes
  • arachnoiditis due to organisms other than bacteria
  • leptomeningitis due to organisms other than bacteria
  • meningitis due to organisms other than bacteria
  • pachymeningitis due to organisms other than bacteria
 320.9 ICD9Data.com 321.0 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 321 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.
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