ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
A15-A19 Tuberculosis
A18- Tuberculosis of other organs
2021 ICD-10-CM Diagnosis Code A18.32

2021 ICD-10-CM Diagnosis Code A18.32

Tuberculous enteritis

2016

2017

2018

2019

2020

2021

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 2021 edition of ICD-10-CM A18.32 became effective on October 1, 2020.
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
2021 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
2021 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 v38.0):

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
2021 (effective 10/1/2020): 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
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
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
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
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
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
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
- anus, anal (recurrent) (infectional) K60.3
  ICD-10-CM Diagnosis Code K60.3
  Anal fistula
  2016 2017 2018 2019 2020 2021 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 2021 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 2021 Billable/Specific Code
  - tuberculous A18.32
- perirectal K60.4
  ICD-10-CM Diagnosis Code K60.4
  Rectal fistula
  2016 2017 2018 2019 2020 2021 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 2021 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
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 2021 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
- abscess (respiratory) A15.9
  ICD-10-CM Diagnosis Code A15.9
  Respiratory tuberculosis unspecified
  2016 2017 2018 2019 2020 2021 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 2021 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 2021 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.

2021 ICD-10-CM Diagnosis Code A18.32

Tuberculous enteritis

Certain infectious and parasitic diseases

Tuberculosis

Other bacterial intestinal infections

Tuberculosis of digestive tract organs, not elsewhere classified

Unspecified appendicitis

Noninfective gastroenteritis and colitis, unspecified

Diarrhea, unspecified

Noninfective gastroenteritis and colitis, unspecified

Other specified disorders of the skin and subcutaneous tissue

Anal fistula

Fistula of stomach and duodenum

Anal fistula

Rectal fistula

Rectal fistula

Other specified diseases of anus and rectum

Stenosis of anus and rectum

Respiratory tuberculosis unspecified

Respiratory tuberculosis unspecified

Tuberculosis of skin and subcutaneous tissue

Ulcer of intestine