787.91 DIARRHEA

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Code Information

Diagnosis Code: 787.91

Short Description: Diarrhea

Long Description: Diarrhea

Code Classification:

Symptoms, signs, and ill-defined conditions (780–799)
- Symptoms (780-789)
  - 787 Symptoms involving digestive system
    - 787.91 Diarrhea

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 787.91 has the following ICD-9-CM references to the Index of Diseases and Injuries

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

Crosswalk Information

The code 787.91 converts into the following ICD-10 code(s):

ICD-9 Code	ICD-10 Code	ICD-10 Description
787.91	K52.2	Allergic and dietetic gastroenteritis and colitis
	K52.89	Other specified noninfective gastroenteritis and colitis
	R19.7	Diarrhea, unspecified

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
787.01	Nausea with vomiting
787.02	Nausea alone
787.03	Vomiting alone
787.04	Bilious emesis
787.1	Heartburn
787.20	Dysphagia, unspecified
787.21	Dysphagia, oral phase
787.22	Dysphagia, oropharyngeal phase
787.23	Dysphagia, pharyngeal phase
787.24	Dysphagia, pharyngoesophageal phase
787.29	Other dysphagia
787.3	Flatulence, eructation, and gas pain
787.4	Visible peristalsis
787.5	Abnormal bowel sounds
787.60	Full incontinence of feces
787.61	Incomplete defecation
787.62	Fecal smearing
787.63	Fecal urgency
787.7	Abnormal feces
787.99	Other symptoms involving digestive system

This page was last updated on: 10/1/2014

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