Specific code 2011 ICD-9-CM Diagnosis Code 008.63
Enteritis due to norwalk virus
  • Short description: Int inf norwalk virus.
  • ICD-9-CM 008.63 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 008.63 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 2011 version of ICD-9-CM 008.63.
  • More recent version(s) of ICD-9-CM 008.63: 2012 2013 2014 2015.
Convert to ICD-10-CM: 008.63 converts approximately to:
  • 2015/16 ICD-10-CM A08.11 Acute gastroenteropathy due to Norwalk agent
Approximate Synonyms
  • Norwalk or norwalk like virus infection
  • Norwalk or Norwalk-like virus infection
  • Viral gastroenteritis due to Norwalk-like agents
Applies To
  • Norovirus
  • Norwalk-like agent
ICD-9-CM Volume 2 Index entries containing back-references to 008.63:
  • Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9
    • due to
      • achylia gastrica 536.8
      • adenovirus 008.62
      • Aerobacter aerogenes 008.2
      • anaerobes (see also Enteritis, anaerobic) 008.46
      • Arizona (bacillus) 008.1
      • astrovirus 008.66
      • Bacillus coli - see Enteritis, E. coli
      • bacteria NEC 008.5
      • Bacteroides (see also Enteritis, Bacteroides) 008.46
      • Butyrivibrio (fibriosolvens) 008.46
      • calicivirus 008.65
      • Camplyobacter 008.43
      • Clostridium - see Enteritis, Clostridium
      • Cockle agent 008.64
      • Coxsackie (virus) 008.67
      • Ditchling agent 008.64
      • ECHO virus 008.67
      • Enterobacter aerogenes 008.2
      • enterococci 008.49
      • enterovirus NEC 008.67
      • Escherichia coli - see Enteritis, E. coli
      • Eubacterium 008.46
      • Fusobacterium (nucleatum) 008.46
      • gram-negative bacteria NEC 008.47
      • Hawaii agent 008.63
      • irritating foods 558.9
      • Klebsiella aerogenes 008.47
      • Marin County agent 008.66
      • Montgomery County agent 008.63
      • norovirus 008.63
      • Norwalk-like agent 008.63
      • Norwalk virus 008.63
      • Otofuke agent 008.63
      • Paracolobactrum arizonae 008.1
      • paracolon bacillus NEC 008.47
      • Paramatta agent 008.64
      • Peptococcus 008.46
      • Peptostreptococcus 008.46
      • Proprionibacterium 008.46
      • Proteus (bacillus) (mirabilis) (morganii) 008.3
      • Pseudomonas aeruginosa 008.42
      • Rotavirus 008.61
      • Sapporo agent 008.63
      • small round virus (SRV) NEC 008.64
        • featureless NEC 008.63
        • structured NEC 008.63
      • Snow Mountain (SM) agent 008.63
      • specified
      • Staphylococcus 008.41
      • Streptococcus 008.49
      • Taunton agent 008.63
      • Torovirus 008.69
      • Treponema 008.46
      • Veillonella 008.46
      • virus 008.8
      • Wollan (W) agent 008.64
      • Yersinia enterocolitica 008.44
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 008.63 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.