2006 ICD-9-CM Diagnosis Code 787.91 : Diarrhea

Abnormal frequency and fluidity of feces.
increased liquidity or decreased consistency of feces, such as running stool; fecal consistency is related to the ratio of water-holding capacity of insoluble solids to total water, rather than the amount of water present; diarrhea is not hyperdefecation or increased fecal weight.
Passage of loose, unformed stools
A condition of frequent and watery bowel movements.
ICD-9-CM 787.91 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
You are viewing the 2006 version of ICD-9-CM 787.91.
More recent version(s) of ICD-9-CM 787.91: 2007 2008 2009 2010 2011 2012 2013.

Applies To

Convert 787.91 to ICD-10-CM

ICD-9-CM Volume 2 Index entries containing back-references to 787.91:

Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91
- achlorhydric 536.0
- allergic 558.3
- amebic (see also Amebiasis) 006.9
  - with abscess - see Abscess, amebic
  - acute 006.0
  - chronic 006.1
  - nondysenteric 006.2
- bacillary - see Dysentery, bacillary
- bacterial NEC 008.5
- balantidial 007.0
- bile salt-induced 579.8
- cachectic NEC 787.91
- chilomastix 007.8
- choleriformis 001.1
- coccidial 007.2
- Cochin-China 579.1
  - anguilluliasis 127.2
  - psilosis 579.1
- Dientamoeba 007.8
- dietetic 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
    - hepatica 128.8
    - philippinensis 127.5
  - 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
    - Arizona 008.1
  - Proteus (bacillus) (mirabilis) (Morganii) 008.3
  - Pseudomonas aeruginosa 008.42
  - S. japonicum 120.2
  - specified organism NEC 008.8
    - bacterial 008.49
    - viral NEC 008.69
  - Staphylococcus 008.41
  - Streptococcus 008.49
    - anaerobic 008.46
  - Strongyloides stercoralis 127.2
  - Trichuris trichiuria 127.3
  - virus NEC (see also Enteritis, viral) 008.69
- dysenteric 009.2
  - due to specified organism NEC 008.8
- dyspeptic 787.91
- endemic 009.3
  - due to specified organism NEC 008.8
- epidemic 009.2
  - due to specified organism NEC 008.8
- fermentative 787.91
- flagellate 007.9
- Flexner's (ulcerative) 004.1
- functional 564.5
  - following gastrointestinal surgery 564.4
  - psychogenic 306.4
- giardial 007.1
- Giardia lamblia 007.1
- hill 579.1
- hyperperistalsis (nervous) 306.4
- infectious 009.2
  - due to specified organism NEC 008.8
  - presumed 009.3
- inflammatory 787.91
  - due to specified organism NEC 008.8
- malarial (see also Malaria) 084.6
- mite 133.8
- mycotic 117.9
- nervous 306.4
- neurogenic 564.5
- parenteral NEC 009.2
- postgastrectomy 564.4
- postvagotomy 564.4
- prostaglandin induced 579.8
- protozoal NEC 007.9
- psychogenic 306.4
- septic 009.2
  - due to specified organism NEC 008.8
- specified organism NEC 008.8
  - bacterial 008.49
  - viral NEC 008.69
- Staphylococcus 008.41
- Streptococcus 008.49
  - anaerobic 008.46
- toxic 558.2
- travelers' 009.2
  - due to specified organism NEC 008.8
- trichomonal 007.3
- tropical 579.1
- tuberculous 014.8
- ulcerative (chronic) (see also Colitis, ulcerative) 556.9
- viral (see also Enteritis, viral) 008.8
- zymotic NEC 009.2
Dyspepsia (allergic) (congenital) (fermentative) (flatulent) (functional) (gastric) (gastrointestinal) (neurogenic) (occupational) (reflex) 536.8
- diarrhea 787.91
  - psychogenic 306.4
Lientery (see also Diarrhea) 787.91
- infectious 009.2

787.9

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787.99

ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 787.91 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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.

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