ICD-10-CM Code A18.32

Valid for Submission

A18.32 is a billable code used to specify a medical diagnosis of tuberculous enteritis. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code A18.32 might also be used to specify conditions or terms like anal inflammation, colitis caused by bacterium, infective duodenitis, infective proctitis, intestinal obstruction due to tuberculosis, tuberculosis of anus, etc

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code A18.32:

Inclusion Terms

Inclusion Terms
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.

• Tuberculosis of anus and rectum
• Tuberculosis of intestine (large) (small)

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code A18.32 are found in the index:

• - Appendicitis (pneumococcal) (retrocecal) - K37
  • - tuberculous - A18.32

• - Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) - See Also: Enteritis; - K52.9
  • - tuberculous (ulcerative) - A18.32

• - Diarrhea, diarrheal (disease) (infantile) (inflammatory) - R19.7
  • - tuberculous - A18.32

• - Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) - K52.9
  • - tuberculous - A18.32

• - Fistula (cutaneous) - L98.8
  • - anus, anal (recurrent) (infectional) - K60.3
    • - tuberculous - A18.32
  • - gastrocolic - K31.6
    • - tuberculous - A18.32
  • - in ano - K60.3
    • - tuberculous - A18.32
  • - perirectal - K60.4
    • - tuberculous - A18.32
  • - rectum (to skin) - K60.4
    • - tuberculous - A18.32

• - Proctitis - K62.89
  • - tuberculous - A18.32

• - Stricture - See Also: Stenosis;
  • - rectum (sphincter) - K62.4
    • - tuberculous - A18.32

• - Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) - A15.9
  • - abscess (respiratory) - A15.9
    • - intestine - A18.32
    • - ischiorectal - A18.32
    • - perianal (fistula) - A18.32
    • - perirectal - A18.32
    • - rectum - A18.32
  • - alimentary canal - A18.32
  • - anus - A18.32
  • - appendicitis, appendix - A18.32
  • - bowel (miliary) - A18.32
  • - cecum - A18.32
  • - colitis - A18.32
  • - colon - A18.32
  • - diarrhea - A18.32
  • - digestive tract - A18.32
  • - duodenum - A18.32
  • - dysentery - A18.32
  • - enteric, enterica, enteritis - A18.32
  • - enterocolitis - A18.32
  • - gastrocolic fistula - A18.32
  • - gastroenteritis - A18.32
  • - gastrointestinal tract - A18.32
  • - ileocecal (hyperplastic) - A18.32
  • - ileocolitis - A18.32
  • - ileum - A18.32
  • - intestine (any part) - A18.32
  • - ischiorectal - A18.32
  • - jejunum - A18.32
  • - perirectal fistula - A18.32
  • - proctitis - A18.32
  • - rectum (fistula) (with abscess) - A18.32
  • - sigmoid - A18.32
  • - small intestine - A18.32
  • - ulcer (skin) (primary) - A18.4
    • - bowel or intestine - A18.32

• - Ulcer, ulcerated, ulcerating, ulceration, ulcerative
  • - intestine, intestinal - K63.3
    • - tuberculous - A18.32

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Anal inflammation
• Colitis caused by bacterium
• Infective duodenitis
• Infective proctitis
• Intestinal obstruction due to tuberculosis
• Tuberculosis of anus
• Tuberculosis of colon
• Tuberculosis of intestines
• Tuberculosis of intestines, peritoneum and mesenteric glands
• Tuberculosis of large intestine
• Tuberculosis of rectum
• Tuberculosis orificialis of anus
• Tuberculous duodenitis
• Tuberculous enteritis
• Tuberculous ileitis
• Ulcer of anus

Diagnostic Related Groups

The ICD-10 code A18.32 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2020.

• 371 - MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITH MCC
• 372 - MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITH CC
• 373 - MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITHOUT CC/MCC

Convert A18.32 to ICD-9

• 014.80 - Intestinal TB NEC-unspec (Approximate Flag)

Code Classification

• Certain infectious and parasitic diseases (A00–B99)
  • Tuberculosis (A15-A19)
    • Tuberculosis of other organs (A18)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

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