2020 ICD-10-CM Diagnosis Code A18.32

Tuberculous enteritis

    2016 2017 2018 2019 2020 Billable/Specific Code
  • A18.32 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM A18.32 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of A18.32 - other international versions of ICD-10 A18.32 may differ.
Applicable To
  • Tuberculosis of anus and rectum
  • Tuberculosis of intestine (large) (small)
The following code(s) above A18.32 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A18.32:
  • A00-B99
    2020 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • A15-A19
    2020 ICD-10-CM Range A15-A19

    Tuberculosis

    Includes
    • infections due to Mycobacterium tuberculosis and Mycobacterium bovis
    Type 1 Excludes
    • congenital tuberculosis (P37.0)
    • nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
    • pneumoconiosis associated with tuberculosis, any type in A15 (J65)
    • positive PPD (R76.11)
    • positive tuberculin skin test without active tuberculosis (R76.11)
    • sequelae of tuberculosis (B90.-)
    • silicotuberculosis (J65)
    Tuberculosis
Approximate Synonyms
  • Tuberculosis (tb) enteritis
  • Tuberculosis (tb) of gastrointestinal system
  • Tuberculosis (tb) of intestines
  • Tuberculosis of gastrointestinal tract
  • Tuberculosis of intestines
ICD-10-CM A18.32 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 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
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert A18.32 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to A18.32:
  • Type 1 Excludes: A04
    , A18.83
    ICD-10-CM Diagnosis Code A04

    Other bacterial intestinal infections

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • bacterial foodborne intoxications, NEC (A05.-)
    • tuberculous enteritis (A18.32)
    ICD-10-CM Diagnosis Code A18.83

    Tuberculosis of digestive tract organs, not elsewhere classified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    • tuberculosis of intestine (A18.32)

Diagnosis Index entries containing back-references to A18.32:
  • Appendicitis (pneumococcal) (retrocecal) K37
    ICD-10-CM Diagnosis Code K37

    Unspecified appendicitis

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    • tuberculous A18.32
  • Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) K52.9
    - see also Enteritis
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Colitis NOS
    • Enteritis NOS
    • Gastroenteritis NOS
    • Ileitis NOS
    • Jejunitis NOS
    • Sigmoiditis NOS
    Type 1 Excludes
    • diarrhea NOS (R19.7)
    • functional diarrhea (K59.1)
    • infectious gastroenteritis and colitis NOS (A09)
    • neonatal diarrhea (noninfective) (P78.3)
    • psychogenic diarrhea (F45.8)
    • tuberculous A18.32 (ulcerative)
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
    ICD-10-CM Diagnosis Code R19.7

    Diarrhea, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Diarrhea NOS
    Type 1 Excludes
    • functional diarrhea (K59.1)
    • neonatal diarrhea (P78.3)
    • psychogenic diarrhea (F45.8)
    • tuberculous A18.32
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Colitis NOS
    • Enteritis NOS
    • Gastroenteritis NOS
    • Ileitis NOS
    • Jejunitis NOS
    • Sigmoiditis NOS
    Type 1 Excludes
    • diarrhea NOS (R19.7)
    • functional diarrhea (K59.1)
    • infectious gastroenteritis and colitis NOS (A09)
    • neonatal diarrhea (noninfective) (P78.3)
    • psychogenic diarrhea (F45.8)
    • tuberculous A18.32
  • Fistula (cutaneous) L98.8
    ICD-10-CM Diagnosis Code L98.8

    Other specified disorders of the skin and subcutaneous tissue

      2016 2017 2018 2019 2020 Billable/Specific Code
    • anus, anal (recurrent) (infectional) K60.3
      ICD-10-CM Diagnosis Code K60.3

      Anal fistula

        2016 2017 2018 2019 2020 Billable/Specific Code
      • tuberculous A18.32
    • gastrocolic K31.6
      ICD-10-CM Diagnosis Code K31.6

      Fistula of stomach and duodenum

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Gastrocolic fistula
      • Gastrojejunocolic fistula
      • tuberculous A18.32
    • in ano K60.3
      ICD-10-CM Diagnosis Code K60.3

      Anal fistula

        2016 2017 2018 2019 2020 Billable/Specific Code
      • tuberculous A18.32
    • perirectal K60.4
      ICD-10-CM Diagnosis Code K60.4

      Rectal fistula

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Fistula of rectum to skin
      Type 1 Excludes
      • rectovaginal fistula (N82.3)
      • vesicorectal fistual (N32.1)
      • tuberculous A18.32
    • rectum (to skin) K60.4
      ICD-10-CM Diagnosis Code K60.4

      Rectal fistula

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Fistula of rectum to skin
      Type 1 Excludes
      • rectovaginal fistula (N82.3)
      • vesicorectal fistual (N32.1)
      • tuberculous A18.32
  • Proctitis K62.89
    ICD-10-CM Diagnosis Code K62.89

    Other specified diseases of anus and rectum

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Proctitis NOS
    Use Additional
    • code for any associated fecal incontinence (R15.-)
    • tuberculous A18.32
  • Stricture - see also Stenosis
    • rectum (sphincter) K62.4
      ICD-10-CM Diagnosis Code K62.4

      Stenosis of anus and rectum

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Stricture of anus (sphincter)
      • 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
    ICD-10-CM Diagnosis Code A15.9

    Respiratory tuberculosis unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • abscess (respiratory) A15.9
      ICD-10-CM Diagnosis Code A15.9

      Respiratory tuberculosis unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      • intestine A18.32
      • ischiorectal A18.32
      • perianal A18.32 (fistula)
      • perirectal A18.32
      • rectum A18.32
    • ulcer (skin) (primary) A18.4
      ICD-10-CM Diagnosis Code A18.4

      Tuberculosis of skin and subcutaneous tissue

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Erythema induratum, tuberculous
      • Lupus excedens
      • Lupus vulgaris NOS
      • Lupus vulgaris of eyelid
      • Scrofuloderma
      • Tuberculosis of external ear
      Type 2 Excludes
      • lupus erythematosus (L93.-)
      • systemic lupus erythematosus (M32.-)
      • bowel or intestine A18.32
    • alimentary canal A18.32
    • anus A18.32
    • appendicitis, appendix A18.32
    • bowel A18.32 (miliary)
    • 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 A18.32 (hyperplastic)
    • ileocolitis A18.32
    • ileum A18.32
    • intestine A18.32 (any part)
    • ischiorectal A18.32
    • jejunum A18.32
    • perirectal fistula A18.32
    • proctitis A18.32
    • rectum A18.32 (fistula) (with abscess)
    • sigmoid A18.32
    • small intestine A18.32
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative
    • intestine, intestinal K63.3
      ICD-10-CM Diagnosis Code K63.3

      Ulcer of intestine

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Primary ulcer of small intestine
      Type 1 Excludes
      • duodenal ulcer (K26.-)
      • gastrointestinal ulcer (K28.-)
      • gastrojejunal ulcer (K28.-)
      • jejunal ulcer (K28.-)
      • peptic ulcer, site unspecified (K27.-)
      • ulcer of intestine with perforation (K63.1)
      • ulcer of anus or rectum (K62.6)
      • ulcerative colitis (K51.-)
      • tuberculous A18.32

ICD-10-CM Codes Adjacent To A18.32
A18.12 Tuberculosis of bladder
A18.13 Tuberculosis of other urinary organs
A18.14 Tuberculosis of prostate
A18.15 Tuberculosis of other male genital organs
A18.16 Tuberculosis of cervix
A18.17 Tuberculous female pelvic inflammatory disease
A18.18 Tuberculosis of other female genital organs
A18.2 Tuberculous peripheral lymphadenopathy
A18.3 Tuberculosis of intestines, peritoneum and mesenteric glands
A18.31 Tuberculous peritonitis
A18.32 Tuberculous enteritis
A18.39 Retroperitoneal tuberculosis
A18.4 Tuberculosis of skin and subcutaneous tissue
A18.5 Tuberculosis of eye
A18.50 …… unspecified
A18.51 Tuberculous episcleritis
A18.52 Tuberculous keratitis
A18.53 Tuberculous chorioretinitis
A18.54 Tuberculous iridocyclitis
A18.59 Other tuberculosis of eye
A18.6 Tuberculosis of (inner) (middle) ear

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.