2019 ICD-10-CM Diagnosis Code B81.1

Intestinal capillariasis

    2016 2017 2018 2019 Billable/Specific Code
  • B81.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM B81.1 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of B81.1 - other international versions of ICD-10 B81.1 may differ.
Applicable To
  • Capillariasis NOS
  • Infection due to Capillaria philippinensis
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (B81.1) and the excluded code together.
  • hepatic capillariasis (
    ICD-10-CM Diagnosis Code B83.8

    Other specified helminthiases

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Acanthocephaliasis
    • Gongylonemiasis
    • Hepatic capillariasis
    • Metastrongyliasis
    • Thelaziasis
    B83.8
    )
The following code(s) above B81.1 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 B81.1:
  • A00-B99
    2019 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
  • B81
    ICD-10-CM Diagnosis Code B81

    Other intestinal helminthiases, not elsewhere classified

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • angiostrongyliasis due to:
    • Angiostrongylus cantonensis (B83.2)
    • Parastrongylus cantonensis (B83.2)
    Other intestinal helminthiases, not elsewhere classified
Approximate Synonyms
  • Capillaria infection
  • Capillariasis
ICD-10-CM B81.1 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
  • 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert B81.1 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
Code annotations containing back-references to B81.1:
  • Type 1 Excludes: B83
    ICD-10-CM Diagnosis Code B83

    Other helminthiases

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • capillariasis NOS (B81.1)
    Type 2 Excludes
    • intestinal capillariasis (B81.1)
  • Type 2 Excludes: B83
    ICD-10-CM Diagnosis Code B83

    Other helminthiases

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • capillariasis NOS (B81.1)
    Type 2 Excludes
    • intestinal capillariasis (B81.1)

Diagnosis Index entries containing back-references to B81.1:
  • Capillariasis (intestinal) B81.1
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
    ICD-10-CM Diagnosis Code R19.7

    Diarrhea, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Diarrhea NOS
    Type 1 Excludes
    • functional diarrhea (K59.1)
    • neonatal diarrhea (P78.3)
    • psychogenic diarrhea (F45.8)
    • due to
      • Capillaria philippinensis B81.1
  • Infection, infected, infective (opportunistic) B99.9
    ICD-10-CM Diagnosis Code B99.9

    Unspecified infectious disease

      2016 2017 2018 2019 Billable/Specific Code
    • Capillaria (intestinal) B81.1
      • philippinensis B81.1
  • Infestation B88.9
    ICD-10-CM Diagnosis Code B88.9

    Infestation, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Infestation (skin) NOS
    • Infestation by mites NOS
    • Skin parasites NOS
    • Capillaria
      • philippinensis B81.1
    • helminth B83.9
      ICD-10-CM Diagnosis Code B83.9

      Helminthiasis, unspecified

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Worms NOS
      Type 1 Excludes
      • intestinal helminthiasis NOS (B82.0)
      • intestinal B82.0
        ICD-10-CM Diagnosis Code B82.0

        Intestinal helminthiasis, unspecified

          2016 2017 2018 2019 Billable/Specific Code
        • capillariasis B81.1

ICD-10-CM Codes Adjacent To B81.1
B77.9 Ascariasis, unspecified
B78 Strongyloidiasis
B78.0 Intestinal strongyloidiasis
B78.1 Cutaneous strongyloidiasis
B78.7 Disseminated strongyloidiasis
B78.9 Strongyloidiasis, unspecified
B79 Trichuriasis
B80 Enterobiasis
B81 Other intestinal helminthiases, not elsewhere classified
B81.0 Anisakiasis
B81.1 Intestinal capillariasis
B81.2 Trichostrongyliasis
B81.3 Intestinal angiostrongyliasis
B81.4 Mixed intestinal helminthiases
B81.8 Other specified intestinal helminthiases
B82 Unspecified intestinal parasitism
B82.0 Intestinal helminthiasis, unspecified
B82.9 Intestinal parasitism, unspecified
B83 Other helminthiases
B83.0 Visceral larva migrans
B83.1 Gnathostomiasis

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