1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A15-A19 Tuberculosis
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4. A18- Tuberculosis of other organs
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5. 2021 ICD-10-CM Diagnosis Code A18.83

2021 ICD-10-CM Diagnosis Code A18.83

Tuberculosis of digestive tract organs, not elsewhere classified

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• A18.83 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• Short description: Tuberculosis of digestive tract organs, NEC
• The 2021 edition of ICD-10-CM A18.83 became effective on October 1, 2020.
• This is the American ICD-10-CM version of A18.83 - other international versions of ICD-10 A18.83 may differ.

• Tuberculosis (tb) esophagus
• Tuberculosis of esophagus

• 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 A18.83 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
• 2021 (effective 10/1/2020): No change

• Type 1 Excludes: K23
  , K77
  , K87
  , K87
  ICD-10-CM Diagnosis Code K23

  Disorders of esophagus in diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease, such as:
  • congenital syphilis (A50.5)

  Type 1 Excludes

  • late syphilis (A52.79)
  • megaesophagus due to Chagas' disease (B57.31)
  • tuberculosis (A18.83)
  ICD-10-CM Diagnosis Code K77

  Liver disorders in diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • congenital syphilis (A50.0, A50.5)
  • congenital toxoplasmosis (P37.1)
  • schistosomiasis (B65.0-B65.9)

  Type 1 Excludes

  • alcoholic hepatitis (K70.1-)
  • alcoholic liver disease (K70.-)
  • cytomegaloviral hepatitis (B25.1)
  • herpesviral [herpes simplex] hepatitis (B00.81)
  • infectious mononucleosis with liver disease (B27.0-B27.9 with .9)
  • mumps hepatitis (B26.81)
  • sarcoidosis with liver disease (D86.89)
  • secondary syphilis with liver disease (A51.45)
  • syphilis (late) with liver disease (A52.74)
  • toxoplasmosis (acquired) hepatitis (B58.1)
  • tuberculosis with liver disease (A18.83)
  ICD-10-CM Diagnosis Code K87

  Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease

  Type 1 Excludes

  • cytomegaloviral pancreatitis (B25.2)
  • mumps pancreatitis (B26.3)
  • syphilitic gallbladder (A52.74)
  • syphilitic pancreas (A52.74)
  • tuberculosis of gallbladder (A18.83)
  • tuberculosis of pancreas (A18.83)
  ICD-10-CM Diagnosis Code K87

  Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease

  Type 1 Excludes

  • cytomegaloviral pancreatitis (B25.2)
  • mumps pancreatitis (B26.3)
  • syphilitic gallbladder (A52.74)
  • syphilitic pancreas (A52.74)
  • tuberculosis of gallbladder (A18.83)
  • tuberculosis of pancreas (A18.83)

• Degeneration, degenerative
  • pancreas K86.89
    ICD-10-CM Diagnosis Code K86.89

    Other specified diseases of pancreas

    2017 - New Code 2018 2019 2020 2021 Billable/Specific Code

    Applicable To

    • Aseptic pancreatic necrosis, unrelated to acute pancreatitis
    • Atrophy of pancreas
    • Calculus of pancreas
    • Cirrhosis of pancreas
    • Fibrosis of pancreas
    • Pancreatic fat necrosis, unrelated to acute pancreatitis
    • Pancreatic infantilism
    • Pancreatic necrosis NOS, unrelated to acute pancreatitis
    • tuberculous A18.83
• Esophagitis (acute) (alkaline) (chemical) (chronic) (infectional) (necrotic) (peptic) (postoperative) (without bleeding) K20.90
  ICD-10-CM Diagnosis Code K20.90

  Esophagitis, unspecified without bleeding

  2021 - New Code Billable/Specific Code

  Applicable To

  • Esophagitis NOS
  • tuberculous A18.83
• Gastritis (simple) K29.70
  ICD-10-CM Diagnosis Code K29.70

  Gastritis, unspecified, without bleeding

  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • tuberculous A18.83
• Hepatitis K75.9
  ICD-10-CM Diagnosis Code K75.9

  Inflammatory liver disease, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Hepatitis NOS

  Type 1 Excludes

  • acute or subacute hepatitis (K72.0-)
  • chronic hepatitis NEC (K73.-)
  • viral hepatitis (B15-B19)
  • tuberculous A18.83
• 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 2021 Billable/Specific Code
  • buccal cavity A18.83
  • esophagus A18.83
  • gallbladder A18.83
  • gastritis A18.83
  • gum A18.83
  • hepatitis A18.83
  • linguae A18.83
  • lip A18.83
  • liver A18.83
  • mouth A18.83
  • palate A18.83 (soft)
  • pancreas A18.83
  • parotid gland or region A18.83
  • salivary gland A18.83
  • soft palate A18.83
  • stomach A18.83
  • subdeltoid bursa A18.83
  • submaxillary A18.83 (region)
  • tongue A18.83
  • uvula A18.83

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