Case Investigation Form

Meningococcal Disease

(ICD 10 Code: A39)
II. CLINICAL INFORMATION
III. CASE MANAGEMENT
IV. LABORATORY TESTS:
Specimen If YES, Date taken Type of Laboratory test done Result Date of Result
CSF
Blood
Case Definition/Classification:

Suspected case: Clinical purpura fulminans in the absence of a positive blood culture; or Gram-negative diplococci, not yet identified, isolated from a normally sterile body site (e.g., blood or CSF)

Probable case: Detection of N. meningitidis antigenin formulin-fixed tissue by immunohistochemistry (IHC); or in CSF by latex agglutination

Confirmed case: A suspected or probable case plus: *Isolation of meningitidis from a sterile site (CSF, blood) or Positive test for meningitides from a sterile site (CSF, blood)

LABORATORY CONFIRMATION:

  • Positive cerebrospinal fluid (CSF) antigen detection or culture.
  • Positive blood culture.
  • Positive PCR test