ICD-9 Code 787.99

Other symptoms involving digestive system

Not Valid for Submission

787.99 is a legacy non-billable code used to specify a medical diagnosis of other symptoms involving digestive system. This code was replaced on September 30, 2015 by its ICD-10 equivalent.

ICD-9: 787.99
Short Description:Digestve syst symptm NEC
Long Description:Other symptoms involving digestive system

Convert 787.99 to ICD-10

The following crosswalk between ICD-9 to ICD-10 is based based on the General Equivalence Mappings (GEMS) information:

  • R19.4 - Change in bowel habit
  • R19.8 - Oth symptoms and signs involving the dgstv sys and abdomen

Code Classification

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

Information for Medical Professionals


  • Abnormal defecation
  • Abnormal excretory function
  • Abnormal gastric electrical activity
  • Abnormal small bowel motility
  • Absent excretory function
  • Alteration in bowel elimination
  • Altered bowel function
  • Bile pigment regurgitation
  • Bile pigment retention
  • Change in stool caliber
  • Cholesterol crystal nucleation in bile
  • Constipation alternates with diarrhea
  • Decreased excretory function
  • Decreased frequency of defecation
  • Decreased peristalsis
  • Defecation reflex abnormal - constipated
  • Deranged intestinal motility
  • Descending perineum syndrome
  • Digestive gland sign or symptom
  • Digestive symptom
  • Discharge from anus
  • Disharmony of gingival contour
  • Edentulous interarch space limited
  • Erosion of esophageal tumor into bronchus
  • Erosion of esophageal tumor into trachea
  • Excessive fluid in stomach
  • Frequent defecation
  • Gagging
  • Gastrointestinal sensation altered
  • Incomplete passage of stool
  • Increased digestive peristalsis
  • Increased excretory function
  • Increased frequency of defecation
  • Increased gastric electrical activity
  • Increased gastric tonus
  • Increased intestinal motility
  • Increased large bowel motility
  • Increased small bowel motility
  • Infrequent bowel action
  • Ischiorectal lump
  • Lacking desire for stool
  • Lip incompetence
  • Liver firm
  • Liver problem
  • Liver soft
  • Liver tender
  • Loss of awareness of need for stool
  • Murphy's sign
  • Nodule of liver
  • On examination - dry tongue
  • On examination - per rectum - rectal mass
  • Pain associated with defecation
  • Painful straining for stool
  • Pressure indents rectal mass
  • Pus in vomit O/E
  • Rectal discharge
  • Rectal mass
  • Rectal symptoms
  • Rectal tenesmus
  • Reflux
  • Regurgitates food
  • Regurgitation
  • Regurgitation of food
  • Small bowel peristaltic rush
  • Soft stool
  • Soiling symptom
  • Straining at stool
  • Swallows quickly
  • Tenderness of digestive structure
  • Tenesmus
  • Tenesmus - anal
  • Tenesmus present
  • Unable to distinguish stool and flatus
  • Urgent desire for stool
  • Weak anal sphincter

Index to Diseases and Injuries

References found for the code 787.99 in the Index of Diseases and Injuries:

Information for Patients

Digestive Diseases

When you eat, your body breaks food down to a form it can use to build and nourish cells and provide energy. This process is called digestion.

Your digestive system is a series of hollow organs joined in a long, twisting tube. It runs from your mouth to your anus and includes your esophagus, stomach, and small and large intestines. Your liver, gallbladder and pancreas are also involved. They produce juices to help digestion.

There are many types of digestive disorders. The symptoms vary widely depending on the problem. In general, you should see your doctor if you have:

  • Blood in your stool
  • Changes in bowel habits
  • Severe abdominal pain
  • Unintentional weight loss
  • Heartburn not relieved by antacids

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

[Read More]

ICD-9 Footnotes

General Equivalence Map Definitions
The ICD-9 and ICD-10 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
  • No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
  • Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.

Index of Diseases and Injuries Definitions

  • And - The word "and" should be interpreted to mean either "and" or "or" when it appears in a title.
  • Code also note - A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.
  • Code first - Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.
  • Type 1 Excludes Notes - A type 1 Excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Type 2 Excludes Notes - A type 2 Excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
  • Includes Notes - This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
  • Inclusion terms - List of terms is included under some codes. These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • NEC "Not elsewhere classifiable" - This abbreviation in the Alphabetic Index represents "other specified". When a specific code is not available for a condition, the Alphabetic Index directs the coder to the "other specified” code in the Tabular List.
  • NOS "Not otherwise specified" - This abbreviation is the equivalent of unspecified.
  • See - The "see" instruction following a main term in the Alphabetic Index indicates that another term should be referenced. It is necessary to go to the main term referenced with the "see" note to locate the correct code.
  • See Also - A "see also" instruction following a main term in the Alphabetic Index instructs that there is another main term that may also be referenced that may provide additional Alphabetic Index entries that may be useful. It is not necessary to follow the "see also" note when the original main term provides the necessary code.
  • 7th Characters - Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
  • With - The word "with" should be interpreted to mean "associated with" or "due to" when it appears in a code title, the Alphabetic Index, or an instructional note in the Tabular List. The word "with" in the Alphabetic Index is sequenced immediately following the main term, not in alphabetical order.