Specific code 2012 ICD-9-CM Diagnosis Code 121.6
Heterophyiasis
  • ICD-9-CM 121.6 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 121.6 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 2012 version of ICD-9-CM 121.6.
  • More recent version(s) of ICD-9-CM 121.6: 2013 2014 2015.
Convert to ICD-10-CM: 121.6 converts approximately to:
  • 2015/16 ICD-10-CM B66.8 Other specified fluke infections
Applies To
  • Infection by:
    • Heterophyes heterophyes
    • Stellantchasmus falcatus
ICD-9-CM Volume 2 Index entries containing back-references to 121.6:
  • Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91
    • due to
      • achylia gastrica 536.8
      • Aerobacter aerogenes 008.2
      • Bacillus coli - see Enteritis, E. coli
      • bacteria NEC 008.5
      • bile salts 579.8
      • Capillaria
      • Clostridium perfringens (C) (F) 008.46
      • Enterobacter aerogenes 008.2
      • enterococci 008.49
      • Escherichia coli - see Enteritis, E. coli
      • Giardia lamblia 007.1
      • Heterophyes heterophyes 121.6
      • irritating foods 787.91
      • Metagonimus yokogawai 121.5
      • Necator americanus 126.1
      • Paracolobactrum arizonae 008.1
      • Paracolon bacillus NEC 008.47
      • Proteus (bacillus) (mirabilis) (Morganii) 008.3
      • Pseudomonas aeruginosa 008.42
      • S. japonicum 120.2
      • specified organism NEC 008.8
      • Staphylococcus 008.41
      • Streptococcus 008.49
      • Strongyloides stercoralis 127.2
      • Trichuris trichiuria 127.3
      • virus NEC (see also Enteritis, viral) 008.69
  • Heterophyes, small intestine 121.6
  • Heterophyiasis 121.6
  • Infection, infected, infective (opportunistic) 136.9
    • Heterophyes heterophyes 121.6
    • Stellantchasmus falcatus 121.6
  • Infestation 134.9
    • Heterophyes heterophyes (small intestine) 121.6
    • Stellantchasmus falcatus 121.6
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 121.6 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.