1. ICD-10-CM Codes
›
2. A00-B99 Certain infectious and parasitic diseases
›
3. A15-A19 Tuberculosis
›
4. A18- Tuberculosis of other organs
›
5. 2020 ICD-10-CM Diagnosis Code A18.32

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.

• Tuberculosis (tb) enteritis
• Tuberculosis (tb) of gastrointestinal system
• Tuberculosis (tb) of intestines
• Tuberculosis of gastrointestinal tract
• Tuberculosis of intestines

• 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

• 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

• 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)

• Appendicitis (pneumococcal) (retrocecal) K37
  ICD-10-CM Diagnosis Code K37

  Unspecified appendicitis

  2016 2017 2018 2019 2020 Billable/Specific Code

  Type 1 Excludes

  • -unspecified appendicitis with peritonitis (K35.2-, K35.3-)
  • 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

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